CN106216849A - Light guide plate laser accurate microfabrication device and method - Google Patents
Light guide plate laser accurate microfabrication device and method Download PDFInfo
- Publication number
- CN106216849A CN106216849A CN201610803315.9A CN201610803315A CN106216849A CN 106216849 A CN106216849 A CN 106216849A CN 201610803315 A CN201610803315 A CN 201610803315A CN 106216849 A CN106216849 A CN 106216849A
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- Prior art keywords
- guide plate
- light guide
- laser
- unit
- processing
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/361—Removing material for deburring or mechanical trimming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
Abstract
The invention discloses a kind of light guide plate laser accurate microfabrication device and method.Including laser generating unit: for producing the laser required for processing.Transfer unit: for transmitting the light guide plate required for processing.Automatic aligning unit: for the light guide plate of processing is carried out position adjustment.Sensing unit: for processing being used light guide plate location positioning.Control unit: for controlling laser generating unit, transfer unit, automatic aligning unit, sensing unit in described laser processing procedure.The laser that utilizes according to the present invention carries out light guide plate device for dotting, is not only suitable for processing light guide plate not of uniform size by fully automatic system, and greatly improves precision and the working (machining) efficiency of light guide plate processing, efficiently reduces the defect rate of workpiece.
Description
Technical field
The invention discloses a kind of light guide plate laser accurate microfabrication device and method, belong to high-end laser manufacture equipment
And advanced machining technology field.
Background technology
The performance parameters such as the brightness of backlight module and uniformity directly affect the imaging quality of liquid crystal display (LCD).Liquid
Crystal display requires increasingly harsher in terms of brightness, colourity, and therefore the requirement to backlight module is more and more higher.Light guide plate
Effect is to guide scattering of light direction, is used for improving brightness and controlling the uniformity of brightness, therefore, the design of light guide plate and manufacture
It it is one of the key technology of backlight module.During light guide plate is developed, the performance of light guide plate is still decided by guide-lighting scattering
The distribution of site, and in current method for designing, all exists that net-pont design efficiency is low, effect cannot guaranteed problem.
Light emitting diode (LED) is a kind of solid-state cold light source, is to continue electric filament lamp, fluorescent lamp and high-intensity discharge lamp (such as height
Pressure sodium lamp and Metal halogen lamp) after forth generation new light sources, effective percentage height, light colour purity, low in energy consumption, life-span length, reliability and durability and nothing
The advantages such as pollution, current LED plays important role in the market as backlight.In light guide plate the size of scattering netted dot and
Density decides brightness and the uniformity of output light.
At present, the manufacture method of light guide plate scattering netted dot has mould forming method, ink printing method and laser processing method etc., existing
With the presence of laser process equipment LASER Light Source quality differ, be easily caused that light guide plate scattering netted dot processing fraction defective is high and processing
Inefficient problem.
Summary of the invention
The invention reside in solution above-mentioned institute produced problem, it is an object of the invention to provide a kind of light guide plate laser accurate
Microfabrication device and method, it is not necessary to manually on a moving belt light guide plate is carried out proper alignment, working (machining) efficiency can be improved.Profit
Use multistage chiller, it is ensured that the stability of LASER Light Source, improve precision and the quality of processing of light guide plate processing.Utilize super
Sound wave thickness induction installation, it is achieved be accurately positioned.By multiple unit co-ordinations, it is achieved light guide plate scattering netted dot processing from
Dynamic metaplasia is produced.
The present invention solves the problems referred to above and the technology used is:
A kind of light guide plate laser accurate microfabrication device is a kind of to utilize laser to carry out light guide plate scattering netted dot processing
Device, including:
Delivery unit: be used for transmitting light guide plate to setting position, in order to laser generating unit and machining cell are to light guide plate
It is scattered site processing；
Automatic aligning unit: for light guide plate position adjustment；
Laser generating unit, is the lasing light emitter for being processed light guide plate scattering netted dot；
Machining cell: for changing the laser transfer direction that laser generating unit occurs, it is achieved described light guide plate is carried out
The components and parts of processing；
Sensing unit: it is arranged at the laser Machining head of described machining cell, fixed for light guide plate position is carried out
The components and parts of position；
Mobile unit: it drives machining cell and laser generating unit to move；
Control unit: to described laser generating unit, machining cell, delivery unit, automatic aligning unit, sensing unit
It is controlled with mobile unit.
Further, described laser generating unit includes: laser instrument, chiller and shutter device, described shutter dress
Putting the dead ahead being installed on laser instrument, its laser acting as making laser instrument export is become pulse laser from continuous laser, and
Regulate pulse width as required；Described chiller is to ensure that described laser instrument has stationary temperature.
Described chiller is to utilize cooling water to carry out the device cooled down, and logical circulating of supercooled water takes away heat,
Ensure the temperature stabilization of lasing light emitter.For keeping the temperature constant of described cooling water, 2 steps are used to regulate temperature, through 2
The regulation of step, controls the range of temperature of lasing light emitter in a less scope.
Further, described chiller includes that main cooling end and supplement heat rejecter portion, described supplement heat rejecter portion are series at
The outlet of described main cooling end, and effusion meter and the first temperature sensor, the first temperature sensor are installed between
The temperature of the laser instrument recorded is to control electromagnetic flowmeter, and then controls the size of cooling water flow；The water outlet in supplement heat rejecter portion
Mouth installs the second temperature sensor, by the temperature of the laser instrument that the second temperature sensor records, and then controls supplement heat rejecter portion
Cooling water is heated or cools down.
Further, described automatic aligning unit includes a major axis, and being provided with two on described major axis can be sliding along it
Dynamic slide block, the hollow sting of an inverted T-shaped is installed, at described inverted T-shaped hollow sting in the bottom of each described slide block
One driving lever support of each plug-in mounting in two ends, the position that described driving lever support is inserted into hollow sting is adjustable, and passes through fixing device
It is fixed.
Further, described machining cell includes mirror part, and it is for changing the biography of laser generating unit generation laser
Pass direction；Wheel frame, it is installed for the fixed installation of described laser head and ultrasonic thickness sensor, takes turns frame and mobile unit
It is connected.
Further, described mirror part includes: reflecting mirror, and it is installed on the described topmost taking turns frame, changes described sharp
The direction of transfer of light generating unit generation laser so that it is direction changes 90°, going down；Condenser lens, it is installed on described wheel
The foot of frame, focuses on the laser of described reflecting mirror transmission.
Further, described sensing unit includes ultrasonic thickness sensor, ultrasonic thickness sensor, is installed on laser
On wheel frame at processing head, it act as by the sensing of the thickness of light guide plate is carried out light guide plate location, and by the position of light guide plate
Put and feed back to control unit.Control unit is according to the position control mobile platform motion of the light guide plate of feedback.
Further, described mobile unit includes mobile platform, described mobile platform, it installs described laser and occurs
Unit and machining cell, the bottom of mobile platform is driven it along the direction vertical with conveyer belt direction by two leading screws
Motion.
The method utilizing said apparatus to be processed light guide plate is as follows:
Light guide plate is positioned over delivery unit by operator, and it is the most right that light guide plate is transported to by delivery unit by conveyer belt
At neat cell position, automatic aligning unit will be put irregular light guide plate and carry out align center and put；
Light guide plate continues to forward under the driving of delivery unit, and when light guide plate is sent to certain position, sensing is single
Light guide plate is positioned by unit, and the position of light guide plate is fed back to control unit, and control unit is signaled to mobile unit,
Mobile unit drives machining cell to move, and the edge making the laser head of machining cell move to light guide plate starts processing；
When light guide plate processes a row site, the feedback signal that control unit is accepted by sensing unit controls conveyer belt
Light guide plate is transmitted certain distance；Then control unit controls mobile unit and carries out adverse movement, so that carry out second row
The processing of site；This course of processing is so repeated until guide plate machines.
It is an advantage of the current invention that:
1, described automatic aligning device can reduce cost of labor, improves efficiency, it is achieved assembly line work.
2, described chiller is by multistage cooling, can effectively keep temperature stabilization, improves LASER Light Source quality.
3, described ultrasonic thickness induction installation, can precisely position light guide plate, reduces mismachining tolerance.
4, described shutter device, can control Laser pulse time, thus control the density of light guide plate mesh point.
5, coordinating between each step to carry out, time-consuming, automaticity is high.
Accompanying drawing explanation
Fig. 1 delivery unit, relation block diagram between automatic aligning unit and control unit；
Relation block diagram between Fig. 2 mobile unit, laser cell and machining cell sensing unit and control unit；
Fig. 3 system front view；
Fig. 4 system top view；
Fig. 5 automatic aligning device front view；
Fig. 6 automatic aligning device top view；
Fig. 7 chiller structure chart；
In figure: 1 is workbench；2,3 is roller；4 is conveyer belt；5 is driving lever support；6 is bracing frame；7 is the ultrasonic thickness of convolution
Degree induction apparatus；8 is condenser lens；9 is laser；10 is reflecting mirror；11 is wheel frame；12 is shutter device；13 is laser instrument；14 are
Mobile platform；15 is the support of bearing；16 is bracing frame；17,18,19,22 is bearing；20,21 is turn-screw；23 is slide block；
24 is to hold out against screw；25 is major axis；26 is hollow sting；27 is threaded hole；28 is main cooling end；29 is electromagnetic flowmeter；30
It it is the first temperature sensor；31 is secondary cooling end；32 is the second temperature sensor；33 is cooling chamber；34 is light guide plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings the method for light guide plate laser accurate microfabrication device of the present invention and processing thereof is carried out in detail
Describe.
As it is shown in figure 1, be the delivery unit of light guide plate laser accurate microfabrication device of the present invention, automatic aligning unit
And the graph of a relation between control unit；
Including: delivery unit 202: it is used for transmitting light guide plate to be scattered the mechanism of site processing；Automatic aligning
Unit 201: be for the mechanism to processed light guide plate position adjustment；Control unit 200: it is used for controlling unit；
Described delivery unit 202 includes: with reference to Fig. 3, roller 2,3, conveyer belt 4, it is used for carrying in the whole course of processing
Processing light guide plate 34.
Described automatic aligning unit 201 includes: with reference to Fig. 5, Fig. 6, hold out against screw 24, hollow sting 26, driving lever support 5,
Slide block 23, major axis 25, threaded hole 27.
Described alignment unit 201 is made up of identical Liang Zu mechanism.Wherein mechanism's connected mode is: hollow sting 26 is for falling
T-shaped, 2 driving lever supports 5 nest into the two ends of hollow sting 26 respectively, on hollow sting 26, have two threaded hole 27, when dialling
After shaft bar 5 nests into hollow sting 26, by holding out against screw 24, driving lever support 5 is clamped, the length of driving lever support 5
Can be adjusted by the distance nesting into hollow sting 26, so be adapted to process the light guide plate of different size size.
One cylindrical grip is arranged at the top holding out against screw, so can be convenient manually operate.Hollow sting 26
The other end be connected with slide block 23, slide block 23 is connected with major axis 25, constitute linear slider mechanism.Major axis is installed on bracing frame
On 6.25 Liang Zu mechanisms are symmetrical.Two slide blocks 23 are connected to form linear slider mechanism with same major axis 25.Linear slider
Mechanism moves back and forth under the effect of driving force, thus drives the motion of the Liang Zu mechanism of alignment unit 201.
Specific works flow process in Fig. 1: with reference to Fig. 1, light guide plate 34 is positioned over conveyer belt 4, delivery unit 202 by operator
By conveyer belt 4, light guide plate 34 being transported to automatic aligning unit 201 position, the Liang Zu mechanism of automatic aligning unit 201 exists
Under the motion of linear slider, will put irregular light guide plate 34 and carry out align center and put, described Liang Zu mechanism, due to driving lever
Support 5 is nested in the length of hollow sting 26 and can adjust, and therefore can be suitable for various sizes of light guide plate 34.Control unit
200 control each unit coordinates to carry out.
Fig. 2 is mobile unit, laser cell and the work sheet of the light guide plate laser accurate microfabrication device of the present invention
Relation block diagram between unit's sensing unit and control unit, comprising:
Mobile unit 203: control machining cell and the motion of laser generating unit；Laser generating unit 204, it produces use
The laser required for the processing of site is carried out in light guide plate；Machining cell 205: it is processed for described light guide plate mesh point；Sense
Answer unit 206: it is used for described processing light guide plate location positioning；Control unit 200: it is for described laser processing procedure
Middle control each unit.
Laser generating unit 204 includes: with reference to Fig. 3, Fig. 4, shutter device 12；Laser instrument 13.
Shutter device 12 is installed on the dead ahead of laser instrument 13, and it act as making laser instrument 13 Output of laser be swashed by seriality
Light becomes pulse type laser.
There is the LASER Light Source being processed for light guide plate 34 in laser instrument 13, the LASER Light Source that laser instrument 13 sends passes through
Shutter device 12 carries out pulse regulation to laser, makes continuous laser change into pulse laser, and can adjust according to product requirement
Save its pulsewidth width, make on light guide plate 34, form the point that density does not waits.
The present invention controls to make laser instrument 13 produce continuous print laser, but in order to produce what density did not waited at light guide plate 34
Point, so by shutter device 12, making the laser of output control to adjust pulse width according to product requirement, produces difference with satisfied
The light guide plate of demand.
Owing to shutter device 12 makes laser pulse for a long time change, substantial amounts of heat during this, must be produced,
And laser instrument 13 is sensitive to temperature sense, in order to ensure the high-quality of laser instrument Output of laser, therefore the present invention takes cooling
Device S.
Chiller S includes: with reference to Fig. 7, main cooling end 28；Electromagnetic flowmeter 29；First temperature sensor 30；Secondary cooling
Portion 31；Second temperature sensor 32；Laser instrument 13；Cooling chamber 33.
In order to ensure stationary temperature, the chiller of the present invention mainly controls temperature by cooling water flow.This
2 steps of bright employing cool down.First temperature sensor 30 senses the real time temperature of laser instrument 13, and gives control by Temperature Feedback
Unit processed, controls the uninterrupted by tube-cooled water by controlling electromagnetic flowmeter 29, and electromagnetic flowmeter 29 is to flow
Control accuracy can reach 0.5%, by this step, temperature regulating range error can reach ± 0.3 DEG C, second step
By the second temperature sensor 32, set objective temperature is compared, by supplement heat rejecter portion 31, cooling water in pipeline is carried out
Heating or cooling, can regulate ± the temperature of about 0.1 DEG C in the process, therefore can realize the temperature difference by two steps
Scope is at about ± 0.2 DEG C.
Chiller specific works flow process: with reference to Fig. 7, main cooling end 28 cools down water and injects cooling chamber 33 by pipeline, swashs
Light device 13 is placed in cooling chamber 33, laser instrument 13 be cooled water surround, logical supercooled water follows bad fluxion strap and walks heat.Work as laser instrument
When 13 temperature raise, the real time temperature of laser instrument 13 is fed back to control unit by the first temperature sensor 30, and then controls electromagnetism
Effusion meter 29 strengthens the flow of cooling water, and on the contrary, when laser instrument 13 temperature reduces, electromagnetic flowmeter 29 reduces the stream of cooling water
Amount.Owing to the temperature range of main cooling end 28 regulation is more relatively large, therefore carry out essence further by supplement heat rejecter portion 31
Close regulation, Temperature Feedback to control unit, is then compared by the second temperature inductor 32 with set objective temperature, controls single
Unit heats by controlling supplement heat rejecter portion by the cooling water of pipeline or cools down, thus realizes being precisely controlled temperature.
Machining cell 205 includes: with reference to Fig. 3, Fig. 4, condenser lens 8；Laser 9；Reflecting mirror 10；Wheel frame 11.
Reflecting mirror 10, it is installed on the described topmost taking turns frame, changes the biography of the laser 9 that described laser generating unit occurs
Pass direction；Condenser lens 8, it is installed on the described foot taking turns frame 11, focuses on the laser 9 of described reflecting mirror transmission.
Reflecting mirror 10 and condenser lens 8 are arranged on wheel frame 11, by the laser of shutter device in the effect of reflecting mirror 10
Under make laser transfer direction change 90 degree, condenser lens 8 be delivered to after the laser of transmission is focused light guide plate 34 be used for into
The generation of row site.
Sensing unit 206 includes: with reference to Fig. 3, ultrasonic thickness induction apparatus 7.
Ultrasonic thickness induction apparatus 7 is arranged on the foot of wheel frame 11.
Mobile unit 203 includes: with reference to Fig. 3, Fig. 4, mobile platform 14；The support of bearing 15；Bearing block 17,18,19,22；
Turn-screw 20,21.
Mobile platform 14, it is used for described laser emission element and the installation of described machining cell, and is used for driving institute
State the motion of laser generating unit and machining cell thereof.Leading screw 20,21, with on the bearing block being installed on machine table bracing frame 16, moves
Moving platform 14 is connected with leading screw 20,21, constitutes lead screw transmission.
Laser generating unit is placed in mobile platform 14, and machining cell is connected with mobile platform 14.Mobile platform 14 exists
Move under the effect of two turn-screws 20,21, owing to laser generating unit and machining cell are placed in mobile platform 14,
Therefore drive lead screw can drive laser generating unit and machining cell motion simultaneously.
The work process of Fig. 2 part is as follows:,
When light guide plate 34 is sent to certain position, light guide plate 34 is positioned by ultrasonic thickness sensor 7, and will lead
The position of tabula rasa 34 feeds back to control unit 200, and control unit 200 sends signal by mobile unit 203, control turn-screw
Motion, drives machining cell 205 to move, and the edge making the laser head of machining cell 205 move to light guide plate 33 starts processing,
When light guide plate 34 processes a row site, the feedback signal that control unit 200 is accepted by sensing unit 206 controls conveyer belt
Light guide plate 34 is transmitted certain distance by 4, and this distance is that the density requirements according to required light guide plate mesh point sets in advance.So
Rear control machining cell 205, by lead screw transmission, carries out adverse movement, so that carry out the processing of second row site.This adds
Work process is so repeated.
The operational approach that the light guide plate laser accurate microfabrication device of the present invention is concrete is as follows:
1, by operator, light guide plate is put on conveyer belt.
2, when light guide plate is transmitted certain position by conveyer belt, light guide plate is ajusted by automatic aligning unit so that it is be in transmission
Band center.
3, conveyer belt continues to be sent to light guide plate Working position, and the position of light guide plate is fed back by ultrasonic thickness induction apparatus
To control centre, control centre controls mobile unit, machining cell, laser generating unit, thus is processed light guide plate.
The laser that utilizes according to the present invention carries out light guide plate device for dotting, is not only suitable for processing by fully automatic system big
The little light guide plate differed, and greatly improve precision and the working (machining) efficiency of light guide plate processing, efficiently reduce the secondary of workpiece
Product rate.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not
Need to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. a light guide plate laser accurate microfabrication device, it is characterised in that including:
Delivery unit: be used for transmitting light guide plate to setting position, in order to light guide plate is carried out by laser generating unit and machining cell
Scattering netted dot is processed；
Automatic aligning unit: for light guide plate position adjustment；
Laser generating unit, is the lasing light emitter for being processed light guide plate scattering netted dot；
Machining cell: for changing the laser transfer direction that laser generating unit occurs, it is achieved described light guide plate is processed
Components and parts；
Sensing unit: it is arranged at the laser Machining head of described machining cell, for position light guide plate position
Components and parts；
Mobile unit: it drives machining cell and laser generating unit to move；
Control unit: to described laser generating unit, machining cell, delivery unit, automatic aligning unit, sensing unit and shifting
Moving cell is controlled.
2. light guide plate laser accurate microfabrication device as claimed in claim 1, it is characterised in that described laser generating unit
Including laser instrument, chiller and shutter device, described shutter device is installed on the dead ahead of laser instrument, is exported by laser instrument
Laser become pulse laser from continuous laser, and regulate pulse width as required；Described chiller makes described laser
Utensil has stationary temperature.
3. light guide plate laser accurate microfabrication device as claimed in claim 2, it is characterised in that described chiller includes
Main cooling end and supplement heat rejecter portion, described supplement heat rejecter portion is series at the outlet of described main cooling end, and between
Being provided with effusion meter and the first temperature sensor, the temperature of the laser instrument that the first temperature sensor records is to control Electromagnetic Flow
Meter, and then control the size of cooling water flow；The outlet in supplement heat rejecter portion installs the second temperature sensor, by the second temperature
The temperature of the laser instrument that sensor records, so control supplement heat rejecter portion to cooling water heat or cool down.
4. light guide plate laser accurate microfabrication device as claimed in claim 1, it is characterised in that described automatic aligning unit
Including a major axis, being provided with two slide blocks that can slide along on described major axis, the bottom of each described slide block is installed
The hollow sting of one inverted T-shaped, at one driving lever support of each plug-in mounting in two ends of described inverted T-shaped hollow sting, described driving lever
The position that support is inserted into hollow sting is adjustable, and is fixed by fixing device.
5. light guide plate laser accurate microfabrication device as claimed in claim 1, it is characterised in that described mobile unit includes
Mobile platform, described mobile platform, it installs described laser generating unit and machining cell, the bottom of mobile platform by
Two leading screws drive it along the direction motion vertical with conveyer belt direction.
6. light guide plate laser accurate microfabrication device as claimed in claim 1, it is characterised in that described machining cell includes
Mirror part and wheel frame, described mirror part is for changing the direction of transfer of laser generating unit generation laser；Described wheel
Frame is for laser instrument fixed installation and the installation of sensing unit.
7. light guide plate laser accurate microfabrication device as claimed in claim 6, it is characterised in that described mirror part includes
Reflecting mirror and condenser lens, described reflecting mirror is installed on the described topmost taking turns frame, changes described laser generating unit and occurs
The direction of transfer of laser so that it is direction changes 90 °, going down；Described condenser lens, its be installed on described take turns frame under
Portion, focuses on the laser of described reflecting mirror transmission.
8. light guide plate laser accurate microfabrication device as claimed in claim 6, it is characterised in that described sensing unit peace
Being loaded on the bottom of wheel frame, it is by carrying out light guide plate location to the sensing of the thickness of light guide plate, and is fed back to the position of light guide plate
Described control unit, control unit is according to the position control mobile unit motion of the light guide plate of feedback.
9. the light guide plate laser accurate microfabrication device as described in claim 1 or 8, it is characterised in that described sensing unit
Including ultrasonic thickness sensor.
10. utilize the method that light guide plate is processed by the device described in claim 1, it is characterised in that as follows:
Light guide plate is positioned over delivery unit by operator, and light guide plate is transported to automatic aligning list by conveyer belt by delivery unit
Unit position, automatic aligning unit will be put irregular light guide plate and carry out align center and put；
Light guide plate continues to forward under the driving of delivery unit, when light guide plate is sent to certain position, and sensing unit pair
Light guide plate positions, and the position of light guide plate is fed back to control unit, and control unit is signaled to mobile unit, mobile
Unit drives machining cell to move, and the edge making the laser head of machining cell move to light guide plate starts processing；
When light guide plate processes a row site, control unit controls conveyer belt by the feedback signal that sensing unit accepts and will lead
Tabula rasa transmits certain distance；Then control unit controls mobile unit and carries out adverse movement, so that carry out second row site
Processing；This course of processing is so repeated until guide plate machines.
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| CN201610803315.9A CN106216849B (en) | 2016-09-05 | 2016-09-05 | Light guide plate laser accurate microfabrication device and method |
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| CN201610803315.9A CN106216849B (en) | 2016-09-05 | 2016-09-05 | Light guide plate laser accurate microfabrication device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735874A (en) * | 2016-12-27 | 2017-05-31 | 青岛理工大学 | The apparatus and method that a kind of femtosecond laser parallel processes light guide plate scattering netted dot |
| CN106825947A (en) * | 2016-12-28 | 2017-06-13 | 青岛理工大学 | Light guide plate laser accurate microfabrication, cleaning and suction means |
| CN106964903A (en) * | 2017-03-31 | 2017-07-21 | 苏州川普光电有限公司 | A kind of process equipment of high-precision light guide plate |
| CN113272095A (en) * | 2018-10-16 | 2021-08-17 | 许勒压力机有限责任公司 | Method and device for laser cutting sheet metal blanks from a continuously fed sheet metal strip |
| CN114473273A (en) * | 2022-03-14 | 2022-05-13 | 二重（德阳）重型装备有限公司 | Liquid cooling support tool for plug-in type connecting pipe and anti-deformation method for reactor core measuring pipe |
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