CN209656575U - A kind of LCM appearance detecting device - Google Patents
A kind of LCM appearance detecting device Download PDFInfo
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- CN209656575U CN209656575U CN201821704712.1U CN201821704712U CN209656575U CN 209656575 U CN209656575 U CN 209656575U CN 201821704712 U CN201821704712 U CN 201821704712U CN 209656575 U CN209656575 U CN 209656575U
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Abstract
The utility model discloses a kind of LCM appearance detecting devices, when LCM product flows down from pan feeding platform, CCD positioning camera in feed mechanism just takes pictures to LCM, the data that manipulator in feed mechanism is transmitted according to CCD positioning camera, automatically correct position, LCM is grabbed, is put into and tears on film-covering mechanism；After film-covering mechanism is torn in product arrival, tears film-covering mechanism and just tear product protection film off；After the removing of product protection film; just product is taken by transfer mechanism and is gone in testing agency; camera just first takes pictures product once in testing agency; then cleaning mechanism is just product cleaning treatment; then it takes pictures once to product again; processor according to twice take pictures comparing result to differentiate the quality of product, and tell cutting agency testing result；Product testing finishes, and just product is taken by transfer mechanism again and tears film-covering mechanism, by tearing film-covering mechanism come pasting protective film；After product is posted protective film, the manipulator in cutting agency is just taken product on outfeed platforms.
Description
Technical field
The utility model relates to industrial detection technical field more particularly to a kind of LCM appearance detecting device.
Background technique
Mobile phone screen LCM open defect type is relatively more, can have the wind for increasing open defect in each production link
Danger, therefore General Production Lines can all increase open defect inspection after certain processes, be superimposed in subsequent production technique with reducing
It is bad, save production cost.The inspection of open defect has large effect to the production cost of enterprise and production time.
Open defect generally refers to the defect that is readily seen of people's naked eyes, in addition to such as scuffing, white point, dirty of the defect on the surface TP
It is bad also to generate part after LCD fitting for dirt etc., such as foreign matter, bubble.Open defect, which checks, at present can generally defoam process
It arranges to check open defect afterwards, the product of certain bad orders is truncated halfway, in order to avoid flowing into next bonding process, saving is produced into
This.Open defect inspection mainly checks under desk lamp by employee, this process needs to arrange more employee, and each employee sentences
Other standard will be different, and have large effect to the production cost and production efficiency of enterprise.Develop it is a kind of by vision AOI from
The dynamic equipment for checking open defect is necessary.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of LCM appearance detecting devices, can substitute worker operation,
Save artificial, reduction artificial detection uncertainty.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows: a kind of LCM appearance detecting device, including
Pan feeding platform, transfer mechanism, tears film-covering mechanism, testing agency, cutting agency, FFU blower fan filtering mechanism at feed mechanism, wherein
Pan feeding platform includes linear movement mould group, platform board, cylinder, servo motor, platform component；Feed mechanism includes CCD fixed
Position camera, light source, light source mounting assembly, positioning camera mounting assembly, feeding manipulator, wherein feeding manipulator includes feeding X
Axis (linear motor), feeding Y-axis, feeding Z axis, feeding R axis, vacuum slot material grasping component, feeding X-axis linear guide position phase
Machine is taken pictures to material, material position is determined and location transmission to manipulator, so that manipulator can accurately play crawl material；Its
Middle testing agency include line-scan digital camera, linear light sorurce, detection platform component, detection Y-axis mould group, non-dust cloth, wet rubbing mechanism assembly,
Alcohol sprays valve, xerotripsis mechanism assembly, and detection platform component is the photo clapped for processing detection camera, according to certain software program
Photograph is handled, to judge that material is OK or NG, and cutting agency is told processing result, so as to cutting agency pair
Detection material is classified；Wherein cutting agency includes four axis robots, blanking mechanical hand component, outfeed platforms, extraction disk
Shift Y-axis component, extraction disk discharge component, extraction disk pan feeding component；Wherein air inlet has HEPA filtering in FFU blower fan filtering mechanism
Net, blower fan filtering unit from top by air inhale and and filtered through HEPA, filtered pure air entire outlet air surface with
The network speed of 0.45M/S ± 20% or so is uniformly sent in equipment；Tearing film-covering mechanism is with the protective film torn off on LCM and in LCM
Upper pasting protective film comprising tear overlay film roller, tear overlay film platform, linear movement mould group；Transfer mechanism be for LCM from tearing
Film-covering mechanism is taken in detection platform, it is to be detected it is complete after, and take and tear film-covering mechanism comprising servo motor, installation branch
Support, transfer Z axis mould group, transfer R axis mounting assembly, DD rotation motor, installation component, vacuum slot mounting plate.
The feed mechanism includes CCD positioning camera, light source, light source mounting assembly, positioning camera mounting assembly, feeder
Tool hand, wherein feeding manipulator includes feeding X-axis, feeding Y-axis, feeding Z axis, feeding R axis, vacuum slot material grasping component, feeding X
Axis linear guide, wherein CCD positioning camera is mounted in positioning camera mounting assembly, feeding X-axis, feeding Y-axis, feeding Z axis, on
Material R axis is mounted in light source mounting assembly.
The pan feeding platform includes linear movement mould group, platform board, cylinder, servo motor, platform component, wherein putting down
In platen mounting platform support component, platform component is mounted in linear movement mould group, and servo motor is mounted on linear fortune
In dynamic model group.
It is described tear film-covering mechanism include tear overlay film roller, tear overlay film platform, linear movement mould group, tear overlay film R axis, cylinder,
Support frame, wherein tearing overlay film roller, cylinder, tearing overlay film platform, linear movement mould group, tear overlay film R axis and be respectively mounted on the support frame.
The testing agency includes line-scan digital camera, linear light sorurce, detection platform component, detection Y-axis mould group, non-dust cloth, wet
Mechanism assembly, alcohol spray valve, xerotripsis mechanism assembly are wiped, wet rubbing mechanism assembly, alcohol spray valve, xerotripsis mechanism assembly are installed in peace
It fills on bracket.
The feed mechanism includes feeding manipulator component, is four axis robots, blanking mechanical hand component, outfeed platforms,
Extract disk shift Y-axis component, extract disk discharge component, extract disk pan feeding component, four axis robots, blanking mechanical hand component, outfeed platforms,
Extraction disk transfer Y-axis component is all installed on a mounting board.
The transfer mechanism includes servo motor, installs support frame, transfer Z axis mould group, transfer R axis mounting assembly, DD rotation
Turn motor, installation component, vacuum slot mounting plate, wherein DD rotation motor is mounted in transfer R axis mounting assembly, servo
Motor is mounted in transfer Z axis mould group, and transfer R axis mounting assembly installs transfer Z axis mould group, and transfer Z axis mould group is mounted on installation
On support frame.
The equipment is equipped with FFU blower fan filtering mechanism in air inlet.
Beneficial effect by adopting the above technical scheme is: adding alcohol clean wiping without layer cloth using twice, clear screen table
The dust in face is taken pictures AOI detection with reducing erroneous detection using duplex position line array camera, is improved production efficiency, is greatly saved
Cost of labor is saved.
Detailed description of the invention
Fig. 1, detection device outside drawing.
Fig. 2, overhaul flow chart.
Fig. 3, pan feeding platform structure figure.
Fig. 4, feed mechanism structure chart.
Fig. 5 tears film-covering mechanism structure chart.
Fig. 6, transfer mechanism structure chart.
Fig. 7, testing agency's structure chart.
Fig. 8, cutting agency structure chart.
Fig. 9, general assembly drawing.
In Fig. 1,101-FFU blower fan filtering mechanism, 102- upper spider, 103- lower bearing bracket.
In Fig. 3,301- linear movement mould group, 302- platform board, 303- cylinder, 304- servo motor, 305- platform
Component.
In Fig. 4,401-CCD positioning camera, 402- light source, 403- light source mounting assembly, 404- positioning camera mounting assembly,
405- feeding X-axis (linear motor), 406- feeding Y-axis, 407- feeding Z axis, 408- feeding R axis, 409- vacuum slot material grasping group
Part, 410- feeding X-axis linear guide, 411- blanking mechanical hand.
In Fig. 5,501- tears overlay film roller, and 502- tears overlay film platform, 503- linear movement mould group, and 504- tears overlay film R axis,
505- cylinder, 506- support frame
In Fig. 6,601- servo motor, 602- installs support frame, 603- transfer Z axis mould group, 604- transfer R axis installation group
Part, 605-DD rotation motor, 606- installation component, 607- vacuum slot mounting plate.
Fig. 7,701- line-scan digital camera, 702- linear light sorurce, 703- detection platform component, 704- detect Y-axis mould group, 705- without
Dirt cloth, 706- wet rubbing mechanism assembly, 707- alcohol spray valve, 708- xerotripsis mechanism assembly, 709- mounting bracket.
Fig. 8,801- feeding manipulator component, 802-4 axis robot, 803- blanking mechanical hand component, 804- outfeed platforms,
805- extracts disk and shifts Y-axis component, and 806- extracts disk discharge component, and 807- extracts disk pan feeding component, the tetra- axis robot crawl section 808-
Position, 809- mounting plate.
Fig. 9,901- pan feeding component, 902-CCD positioning component, 903- feeding manipulator, 904- linear motor, 905- dyestripping
Platform assembly, 906- dyestripping roll assembly, 907- dyestripping roll assembly mounting rack, 908- transfer mechanism, 909- cleaning assemblies,
910- cleaning assemblies mounting rack, 911- detection components, 912- blanking mechanical hand, 913- robot, 914- extract disk discharge component,
915- extracts disk pan feeding component, and 916- extracts disk transfer assembly, 917- workbench substrate, 918- outfeed platforms.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
Referring to Fig. 1,2,3,4,5,6,7,8,9, a kind of LCM appearance detecting device, including feed mechanism, transfer mechanism, tear
Film-covering mechanism, testing agency, cutting agency, FFU blower fan filtering mechanism.
This LCM appearance detecting device uses complete machine formula form construction design, and profile adds sheet metal component fit system, and upper spider is
Mechanism part, lower bearing bracket are electric component layout, and mating FFU device guarantees 100 grades of inner space cleanliness, and guarantees mobile phone
The accuracy of screen detection, appearance such as Fig. 1,101 indicate FFU blower fan filtering mechanism, and 102 indicate upper spider, and 103 indicate lower machine
Frame.
When LCM product flows down from pan feeding platform, the CCD positioning camera in feed mechanism just takes pictures to LCM, feeder
The data that manipulator in structure is transmitted according to CCD positioning camera, automatically correct position, LCM are grabbed, be put into and tear on film-covering mechanism
(be put into every time up to the product space for tearing overlay film platform and be the same)；After film-covering mechanism is torn in product arrival, film-covering mechanism is torn just
Product protection film is torn off；After the removing of product protection film, just product is taken by transfer mechanism and is gone in testing agency, is at this moment examined
Survey mechanism in camera just product is first taken pictures once, then cleaning mechanism just product cleaning treatment once, then again to product
Take pictures primary, processor according to twice take pictures comparing result to differentiate the quality of product, and tell blanking machine testing result
Structure；Product testing finishes, and just product is taken by transfer mechanism again and tears film-covering mechanism, by tearing film-covering mechanism come pasting protective film；To
After product is posted protective film, the manipulator in cutting agency is just taken product on outfeed platforms, then by robot according to inspection
It surveys as a result, OK product are put into product in the equipment of subsequent processing, NG product are put on the transfer vacuum formed box on extraction disc mechanism, process
Such as Fig. 2.
Pan feeding platform includes linear movement mould group 301, platform board 302, cylinder 303, servo motor 304, platform group
Part 305, such as Fig. 3.Pan feeding platform is the platform for connecing upstream product, and the platform of duplexing bit architecture, two mould groups drives replaces splicing,
Platform up and down motion is driven by cylinder, and upstream product is by vacuum suction on pan feeding platform, and wherein platform board mounting platform supports
On component, platform component is mounted in linear movement mould group, and servo motor is mounted in linear movement mould group.
Feed mechanism includes feeding manipulator 801, CCD positioning camera 401, light source 402, light source mounting assembly 403, positioning
Camera mounting assembly 404, feeding manipulator 801, wherein feeding manipulator includes feeding X-axis 405 (linear motor), feeding Y-axis
406, feeding Z axis 407, feeding R axis 408, vacuum slot material grasping component 409, feeding X-axis linear guide 410, structure such as Fig. 4.
Feeding process, which grabs the product of pan feeding platform after the deviation of CCD positioning camera calculating position by 4 axis robots, to be torn overlay film and puts down
On platform, the product space for guaranteeing that overlay film platform is torn in each arrival is the same, and CCD positioning camera is accurately positioned feeding, while differentiating production
Product, avoid mixing phenomenon, and four axis robots, blanking mechanical hand component, outfeed platforms, extraction disk transfer Y-axis component are all installed same
On a plate.
Tearing film-covering mechanism includes tearing overlay film roller 501, tearing overlay film platform 502, linear movement mould group 503, tear overlay film R axis
504, cylinder 505, support frame 506, such as Fig. 5, wherein tear overlay film roller using the sticking roller of surface band, using its viscosity and
Relative mechanical moves tear protective film and cover protective film.Product supplied materials is due to having protective film, so needing handle when detection
Protective film is torn, tear film-covering mechanism for detect before tear protective film and detection after cover protective film, principle is using with toughness
Silica gel roller rotation and product carry out tearing overlay film with the movement that the translation for tearing overlay film platform combines, roller when tearing overlay film
Cylinder drive roller decline, tear on overlay film platform cylinder band moving platform rise, product and roller contact, rotating movement and
Product translational motion combines, and sticks the high temperature adhesive plaster of two sections of wide 45mm along axial direction with respect to 180 ° on sticky roller, makes product
Protective film is not exclusively adhered on roller, is convenient for overlay film, and realize duplexing bit interleaving and tear overlay film overlay film principle and dyestripping principle
Equally, only rotating movement direction is opposite with the overlay film platform direction of motion is torn.There are two individually tearing overlay film station again and include
Overlay film platform is torn, so that it replaces feeding, tears film-covering mechanism automatically using former film, protective film of tearing, which is just used in, needs pasting protective film
Product on, without increasing new film covering product, improve efficiency, save production cost.
Transfer mechanism includes servo motor 601, installation support frame 602, transfer Z axis mould group 603, transfer R axis mounting assembly
604, DD rotation motor 605, installation component 606, vacuum slot mounting plate 607, transfer mechanism are used for the production after dyestripping
Product are cleaned and are detected in detection platform from tearing overlay film platform and grab, and the product detected is grabbed from detection platform
It returns and tears overlay film platform and carry out overlay film, wherein vacuum slot mounting plate is and the vacuum for installing vacuum slot to structure such as Fig. 6
Suction nozzle is for drawing product, and wherein DD rotation motor is mounted in transfer R axis mounting assembly, and servo motor is mounted on transfer
In Z axis mould group, transfer R axis mounting assembly installs transfer Z axis mould group, and transfer Z axis mould group is mounted on installation support frame.
Testing agency, by relay structure material grasping to detection platform after the completion of product dyestripping, product first pass through cleaning mechanism into
Row cleaning, cleaning are mainly made of twice cleaning, are that alcohol is sprayed on non-dust cloth and carries out one of wet rubbing cleaning first, are then existed
An elimination alcohol residue is cleaned by non-dust cloth xerotripsis, has twice cleaning procedure, greatly reduces erroneous judgement.Testing agency's packet
Include line-scan digital camera 701, linear light sorurce 702, detection platform component 703, detection Y-axis mould group 704, non-dust cloth 705, wet rubbing mechanism group
Part 706, alcohol spray valve 707, xerotripsis mechanism assembly 708, mounting bracket 709, such as Fig. 7, due to being detected using double-station AOI, greatly
The earth raising production efficiency.The testing process of this equipment is that the product sent from transfer mechanism is first taken pictures once, is passed through after having clapped
It is primary to cross cleaning structure cleaning, then takes pictures again, compare twice take pictures result to differentiate the quality of product, camera is high-precision
Line-scan digital camera+linear light sorurce adopts figure, and detection is more accurate, and detection platform component is the photo clapped for processing detection camera, according to
Certain software program handles photograph, to judge that material is OK or NG, and tells cutting agency processing result, with
Just cutting agency classifies detection material.
Cutting agency includes 4 axis robots 802, blanking mechanical hand component 803, outfeed platforms 804, extraction disk transfer Y-axis group
Part 805, extraction disk discharge component 806, extraction disk pan feeding component 807, four axis robots grab position 808, mounting plate 809.
The product detected of taking pictures can tear overlay film through transfer mechanism transmission, and platform carries out overlay film, finishes to product overlay film, under
Expect that the product for having covered film is grabbed outfeed platforms, equipment of the OK product by product is put into subsequent processing by robot by manipulator
In, NG product are grabbed by robot on the transfer vacuum formed box on extraction disc mechanism, under OK product and NG product are classified automatically by robot
Material, accurately, greatly avoids loading in mixture, cutting agency structure such as Fig. 8,
It is the introduction of each pith above, there are also some other independent parts, this can find out in general assembly drawing, such as
Fig. 9, pan feeding component 901, CCD positioning component 902, feeding manipulator 903, linear motor 904, dyestripping platform assembly 905, dyestripping
Roll assembly 906, dyestripping roll assembly mounting rack 907, transfer mechanism 908, cleaning assemblies 909, cleaning assemblies mounting rack 910,
Detection components 911, blanking mechanical hand 912, robot 913, extraction disk discharge component 914, extraction disk pan feeding component 915, extraction disk transfer
Component 916, workbench substrate 917, outfeed platforms 918, wherein pan feeding platform, tear film-covering mechanism, testing agency etc. using duplex
Bit architecture greatly increases equipment work efficiency, and testing agency adds alcohol clean wiping without layer cloth using twice, and clear screen table
The dust in face is to reduce erroneous detection；Pan feeding platform, feed mechanism, transfer mechanism are all to transmit product using vacuum suction.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (3)
1. a kind of LCM appearance detecting device, it is characterised in that including feed mechanism, transfer mechanism, tear film-covering mechanism, detection machine
Structure, cutting agency, FFU blower fan filtering mechanism；The feed mechanism includes CCD positioning camera, light source, light source mounting assembly, determines
Position camera mounting assembly, feeding manipulator, wherein the feeding manipulator includes feeding X-axis, feeding Y-axis, feeding Z axis, feeding R
Axis, vacuum slot material grasping component, feeding X-axis linear guide, wherein CCD positioning camera is mounted in positioning camera mounting assembly,
Feeding X-axis, feeding Y-axis, feeding Z axis, feeding R axis are mounted in light source mounting assembly；The testing agency includes camera, linear
Light source, detection platform component, detection Y-axis mould group, non-dust cloth, wet rubbing mechanism assembly, alcohol spray valve, xerotripsis mechanism assembly, wet rubbing
Mechanism assembly, alcohol spray valve, xerotripsis mechanism assembly are installed in mounting bracket；The film-covering mechanism that tears includes tearing overlay film roller
Son tears overlay film platform, and linear movement mould group tears overlay film R axis, cylinder, support frame, wherein tearing, overlay film roller, cylinder, to tear overlay film flat
Platform, linear movement mould group are torn overlay film R axis and are respectively mounted on the support frame；The cutting agency structure includes four axis robots, blanking
Mechanical arm assembly, outfeed platforms, extraction disk transfer Y-axis component, extraction disk discharge component, extraction disk pan feeding component, four axis robots, blanking
Mechanical arm assembly, outfeed platforms, extraction disk transfer Y-axis component are all installed on a mounting board；The air inlet is equipped with FFU blower fan filtering
Mechanism；The transfer mechanism includes servo motor, installation support frame, transfer Z axis mould group, transfer R axis mounting assembly, DD rotation horse
It reaches, installation component, vacuum slot mounting plate, wherein DD rotation motor is mounted in transfer R axis mounting assembly, servo motor
It is mounted in transfer Z axis mould group, transfer R axis mounting assembly installs transfer Z axis mould group, and transfer Z axis mould group is mounted on installation support
On frame.
2. a kind of LCM appearance detecting device according to claim 1, which is characterized in that described to tear overlay film roller band toughness
's.
3. a kind of LCM appearance detecting device according to claim 1, which is characterized in that the camera is line-scan digital camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821704712.1U CN209656575U (en) | 2018-10-19 | 2018-10-19 | A kind of LCM appearance detecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821704712.1U CN209656575U (en) | 2018-10-19 | 2018-10-19 | A kind of LCM appearance detecting device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907313A (en) * | 2019-12-20 | 2020-03-24 | 延长油田股份有限公司 | Full-automatic intelligent hydrodynamic viscosity measuring device and method |
| CN112731695A (en) * | 2020-12-25 | 2021-04-30 | 东莞市鼎力自动化科技有限公司 | Laminating machine and laminating method |
| CN113083725A (en) * | 2021-03-30 | 2021-07-09 | 昆山龙雨智能科技有限公司 | Detection device |
| CN113405492A (en) * | 2021-07-19 | 2021-09-17 | 阿特森智能装备无锡有限公司 | Miniature glass tube detection equipment |
| CN113960050A (en) * | 2021-10-21 | 2022-01-21 | 邵东智能制造技术研究院有限公司 | Automatic detection equipment for shading film |
| CN114088720A (en) * | 2021-11-17 | 2022-02-25 | 常州光电技术研究所 | Visual batch detection system for surface flaws of small-diameter reflective sphere |
| CN114483740A (en) * | 2022-01-27 | 2022-05-13 | 京东方科技集团股份有限公司 | Full-automatic laminating device and method for frame lamination and display device |
| CN114735311A (en) * | 2022-04-27 | 2022-07-12 | 厦门恺成精密机械有限公司 | Film lifting and returning method |
| CN114951138A (en) * | 2021-02-24 | 2022-08-30 | 杭州海康威视数字技术股份有限公司 | Automatic cleaning equipment for image sensor |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907313B (en) * | 2019-12-20 | 2022-06-21 | 延长油田股份有限公司 | Full-automatic intelligent hydrodynamic viscosity measuring device and method |
| CN110907313A (en) * | 2019-12-20 | 2020-03-24 | 延长油田股份有限公司 | Full-automatic intelligent hydrodynamic viscosity measuring device and method |
| CN112731695A (en) * | 2020-12-25 | 2021-04-30 | 东莞市鼎力自动化科技有限公司 | Laminating machine and laminating method |
| CN112731695B (en) * | 2020-12-25 | 2023-08-18 | 东莞市鼎力自动化科技有限公司 | Laminating machine and laminating method |
| CN114951138B (en) * | 2021-02-24 | 2024-05-03 | 杭州海康威视数字技术股份有限公司 | Automatic cleaning equipment for image sensor |
| CN114951138A (en) * | 2021-02-24 | 2022-08-30 | 杭州海康威视数字技术股份有限公司 | Automatic cleaning equipment for image sensor |
| CN113083725A (en) * | 2021-03-30 | 2021-07-09 | 昆山龙雨智能科技有限公司 | Detection device |
| CN113405492A (en) * | 2021-07-19 | 2021-09-17 | 阿特森智能装备无锡有限公司 | Miniature glass tube detection equipment |
| CN113960050A (en) * | 2021-10-21 | 2022-01-21 | 邵东智能制造技术研究院有限公司 | Automatic detection equipment for shading film |
| CN114088720A (en) * | 2021-11-17 | 2022-02-25 | 常州光电技术研究所 | Visual batch detection system for surface flaws of small-diameter reflective sphere |
| CN114088720B (en) * | 2021-11-17 | 2024-03-15 | 常州光电技术研究所 | System for detecting surface flaws of small-diameter reflective spheres in batches through vision |
| CN114483740A (en) * | 2022-01-27 | 2022-05-13 | 京东方科技集团股份有限公司 | Full-automatic laminating device and method for frame lamination and display device |
| CN114735311A (en) * | 2022-04-27 | 2022-07-12 | 厦门恺成精密机械有限公司 | Film lifting and returning method |
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