WO2015000199A1 - Dispositif de nettoyage par ultrasons - Google Patents

Dispositif de nettoyage par ultrasons Download PDF

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Publication number
WO2015000199A1
WO2015000199A1 PCT/CN2013/079660 CN2013079660W WO2015000199A1 WO 2015000199 A1 WO2015000199 A1 WO 2015000199A1 CN 2013079660 W CN2013079660 W CN 2013079660W WO 2015000199 A1 WO2015000199 A1 WO 2015000199A1
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WO
WIPO (PCT)
Prior art keywords
ultrasonic
cleaning device
servo shaft
cleaning
magnetic field
Prior art date
Application number
PCT/CN2013/079660
Other languages
English (en)
Chinese (zh)
Inventor
陈方甫
丁涛
刘明
宋涛
赵国栋
刘一俊
Original Assignee
深圳市华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Publication of WO2015000199A1 publication Critical patent/WO2015000199A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • B08B7/026—Using sound waves
    • B08B7/028—Using ultrasounds

Definitions

  • the present invention relates to a liquid crystal manufacturing process, and more particularly to an ultrasonic cleaning device.
  • liquid crystal production process in the liquid crystal panel terminal and flip chip (Chip on After the combination of Flex and COF, in order to prevent the circuit or the water vapor from causing oxidation or corrosion of the circuit on the flip chip, glue is usually applied to the liquid crystal panel terminal and the flip chip to prevent damage to the product by air or moisture.
  • a liquid crystal film 900 is covered on a liquid crystal panel 700.
  • a glue 601 is applied to the glue needle 600.
  • the glue application needle 600 for applying glue is likely to retain residual glue after the completion of the application of the glue.
  • the residual glue 602 may affect the quality of the glue applied by the glue needle 600 for the next glue application operation, which may cause poor product quality.
  • the invention aims at solving the problem that the existing glue application needle is prone to residual glue during work and affects the quality of the next glue application of the glue application needle, and an ultrasonic cleaning device is provided to overcome the above defects.
  • the solution to the above problem is to construct an ultrasonic cleaning device comprising a power source for generating a high-frequency alternating current, an electrical connection with a power source, an ultrasonic magnetic field generator for generating ultrasonic vibration, and an ultrasonic magnetic field generator.
  • the ultrasonic brush head and the cleaning fixture with the sol agent are installed in the sol agent in the cleaning fixture.
  • the sol agent is water or an organic solvent.
  • a gap is provided between the ultrasonic brush head and the inner wall of the cleaning jig, and between the ultrasonic brush head and the bottom of the cleaning jig.
  • the ultrasonic cleaning device of the present invention has a gap between the ultrasonic magnetic field generator and the inner wall of the cleaning jig, and between the ultrasonic brush head and the cleaning jig and the bottom.
  • the ultrasonic magnetic field generator has a vibration frequency of 20 kHz or more.
  • the ultrasonic cleaning device of the present invention further comprises a servo shaft system for moving the glue application needle, the servo shaft system comprises two first servo shafts, a second servo shaft and a third servo shaft which are perpendicularly arranged with each other; the servo shaft system drives the coating The glue needle moves in the axial direction of the first servo shaft, the second servo shaft or the third servo shaft.
  • the ultrasonic cleaning device of the present invention further includes a positioning sensor disposed on at least one of the servo shaft system, the glue application needle, and the cleaning jig for determining a relative position of the glue application needle and the ultrasonic brush head.
  • the ultrasonic cleaning device of the present invention further includes a sol agent filtering device disposed on the cleaning jig.
  • the ultrasonic cleaning device of the present invention further includes a needle air drying device provided on one side of the cleaning jig.
  • the ultrasonic cleaning device embodying the present invention can perform the cleaning process of the glue application needle after the completion of the application of the glue or after the equipment has not been used for a long period of time. Thereby, the probability of equipment crashing due to the residual glue of the needle is reduced, the utilization rate of the glue coating equipment is increased, and the production efficiency is improved.
  • Figure 1 is a schematic view showing the operation of a conventional glue application needle
  • FIG. 2 is a schematic view showing the appearance of residual glue in a conventional glue application needle
  • FIG. 3 is a schematic structural view of a preferred embodiment of the ultrasonic cleaning device of the present invention.
  • FIG. 4 is a schematic structural view of the production line of the embodiment shown in FIG. 3;
  • FIG. 5 is a schematic view of the cleaning fixture with the sol agent filtering device installed in the embodiment shown in Figure 3;
  • Fig. 6 is a schematic view showing the needle air drying device mounted in the embodiment shown in Fig. 3.
  • the applicator needle 600 is used to apply the glue to the liquid crystal panel of FIG. 1, the applicator needle 600 is easily combined with the color filter 800 (Color Filter, The CF) is in contact with each other, or the glue is spilled due to the device crashing, resulting in the presence of the residual glue 602 in the glue application needle 600 as shown in Fig. 2, and these residual glue 602 will affect the quality of the next application.
  • the ultrasonic cleaning device provided by the invention processes the glued needle after the glue is applied to ensure the quality of the next glue.
  • FIG. 3 is a schematic structural view of a preferred embodiment of the present invention.
  • the ultrasonic cleaning device includes a power source 100.
  • the converted high-frequency alternating current is supplied to the ultrasonic magnetic field generator 200, and the ultrasonic magnetic field generator 200
  • the electrical energy is converted into ultrasonic mechanical energy and further transmitted to the ultrasonic brush head 300 connected thereto.
  • Ultrasonic brush head 300 Immersed in a cleaning fixture with a sol 500 Medium.
  • the glue needle 600 and the ultrasonic brush head 300 are used.
  • the upper part of the brush is in contact with each other, and the residual glue of the needle part is decomposed by the ultrasonic vibration and dissolved in the sol to achieve the purpose of cleaning the needle.
  • the sol agent 500 in the cleaning jig 400 can be flexibly changed for a specific different glue application.
  • the sol agent 500 can be used as pure water; and for the organic type, the corresponding organic solvent can be used, or the solvent of the sol can be achieved by uniformly using a solvent such as ethanol or isopropyl alcohol. .
  • the vibration frequency of the ultrasonic brush head 300 should be adjusted to 20 kHz or more.
  • the ultrasonic magnetic field generator 200 and the ultrasonic brush vibrating head 300 placed in the cleaning jig 400 are fixed on the external fixing device and are not in contact with the cleaning jig 400, thereby avoiding ultrasonic energy.
  • the attenuation also reduces the noise generated by the vibration of the cleaning jig 400.
  • the ultrasonic brush head 300 and the ultrasonic magnetic field generator 200 are detachably fixed together, and the position between the two can be flexibly adjusted according to the actual use environment, as long as the two are cleaned during the adjustment process.
  • the inner wall and the bottom of the 400 are not in contact, and a certain gap is left.
  • the glue application needle 600 is mounted on a servo shaft system.
  • the servo shaft system includes a first servo shaft 610, a second servo shaft 620, and a third servo shaft 630, and the axial directions of the three servo shafts are perpendicular to each other, that is, the first servo
  • the axis 610 is perpendicular to the moving direction of the second servo axis 620, and the two servo axes are respectively parallel to the long side and the wide side of the liquid crystal panel 700
  • the third servo axis 630 is mounted on the second servo axis 620, and the third servo axis 630 is mounted on the second servo axis 630.
  • the movement is performed in a direction perpendicular to the plane in which the liquid crystal panel 700 is located.
  • the liquid crystal panel 700 after the past process is completed and attached to the flip chip is transported to the servo axis system through the production line, and the glue needle 600 is transported to the upper side of the liquid crystal panel 700 through the first servo shaft 610 and the second servo shaft 620, so that The glue application operation of the liquid crystal panel 700 is completed.
  • the glue application needle moves to the top of the cleaning fixture through the second servo shaft 620, and then falls to contact with the ultrasonic brush vibration head 300 through the third servo shaft 630, waiting for the ultrasonic wave. Cleaning process.
  • the utility model converts the commercial power into a high-frequency alternating current through a power source, and the ultrasonic magnetic field generator can convert the high-frequency alternating current into a high-frequency ultrasonic vibration, and the ultrasonic energy is concentrated on the surface of the glue-coated needle by the brush and the sol agent, so that the residual glue is separated.
  • the needle achieves the purpose of automatically cleaning the needle.
  • FIG. 4 Since the structure of FIG. 4 is an improvement according to the existing servo axis system, it is not necessary to perform hardware modification or replacement of the existing equipment, and only the control software needs to be modified to perform after a certain amount of glue application work is completed. To remove the residual glue, you can also set the action to remove the residual glue when the equipment downtime reaches a certain threshold.
  • the glue applicator needle 600 is accurately positioned to the ultrasonic brush head 300.
  • Positioning sensors are provided at a plurality of positions such as the servo shaft system, the glue application needle 600, and the cleaning jig 400.
  • the positioning sensor detects that the glue application needle 600 is moved to the correct position, the servo shaft system stops moving the glue application needle. 600, at the same time, the ultrasonic brush head 300 starts to work, and the glue needle is cleaned.
  • the positioning sensor can also be disposed only on one of the servo shaft system, the glue application needle 600, and one of the cleaning fixtures 400, as long as it can accurately position the relative position of the glue application needle and the ultrasonic brush vibration head. .
  • a plurality of glue applicators 600 can be provided on the servo shaft system.
  • another glue applicator needle can take over. That is, the work of applying the glue and the work of removing the residual glue can be performed at the same time, further reducing the time consumed for cleaning the glued needle, thereby improving the efficiency of the glue application process.
  • a sol filter device 401 is also mounted on the cleaning jig 400, as shown in FIG.
  • the sol filter device 401 sucks the sol agent from the bottom of the cleaning jig 400, and after being filtered by the sol filter device 401, the undissolved residual glue is isolated, so that the sol agent is kept clean, and the glued needle can be cleaned efficiently.
  • a sol agent remains thereon.
  • These residual sols may affect the quality of the next application and cause defective products.
  • a needle air drying device 640 is provided on one side of the cleaning jig 400, as shown in FIG. The needle air drying device 640 sprays high-pressure air to the glue-coated needle 600 that removes the residual glue, so that the residual sol agent on the glue-coated needle 600 can evaporate, thereby avoiding the quality that affects the next application of the glue.

Abstract

L'invention concerne un dispositif de nettoyage par ultrasons, qui comprend : une alimentation (100) servant à produire un courant alternatif à haute fréquence ; un générateur (200) de champ magnétique ultrasonore, connecté électriquement à l'alimentation (100) et qui sert à produire une vibration ultrasonore ; et une tête (300) de vibrateur ultrasonore de brosse à cheveux, installée sur le générateur (200) de champ magnétique à ultrasons et qui est placée dans un accessoire de nettoyage (400) rempli d'un agent sol (500). Ce dispositif de nettoyage par ultrasons permet de nettoyer une tête d'aiguille de collage, une fois que le collage est achevé ou quand un dispositif n'a pas été utilisé depuis longtemps, ce qui permet de réduire la probabilité d'une défaillance du dispositif de collage en raison de la colle résiduelle présente sur la tête d'aiguille, d'accroître l'utilisation du dispositif de collage et d'améliorer l'efficacité de production.
PCT/CN2013/079660 2013-07-01 2013-07-19 Dispositif de nettoyage par ultrasons WO2015000199A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310272456.9 2013-07-01
CN201310272456.9A CN103341463B (zh) 2013-07-01 2013-07-01 超声波清洁装置

Publications (1)

Publication Number Publication Date
WO2015000199A1 true WO2015000199A1 (fr) 2015-01-08

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CN (1) CN103341463B (fr)
WO (1) WO2015000199A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114472352A (zh) * 2022-02-18 2022-05-13 徐州振丰超声电子有限公司 一种超声波振动头
CN114833029A (zh) * 2022-03-22 2022-08-02 星源电子科技(深圳)有限公司 一种led模组制备用可调式点胶系统

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* Cited by examiner, † Cited by third party
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CN106079451A (zh) * 2016-08-10 2016-11-09 西安交通大学 旋转换槽式多材料面曝光增材制造装置及方法

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JP2002075944A (ja) * 2000-08-29 2002-03-15 Dainippon Screen Mfg Co Ltd 液中基板浸漬装置および液中基板浸漬処理方法
JP2003053286A (ja) * 2001-08-20 2003-02-25 Speedfam Clean System Co Ltd 感光体用ドラム基材の洗浄装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114472352A (zh) * 2022-02-18 2022-05-13 徐州振丰超声电子有限公司 一种超声波振动头
CN114472352B (zh) * 2022-02-18 2022-12-02 徐州振丰超声电子有限公司 一种超声波振动头
CN114833029A (zh) * 2022-03-22 2022-08-02 星源电子科技(深圳)有限公司 一种led模组制备用可调式点胶系统

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