WO2004086830A1 - Appareil de nettoyage destine a une imprimante de recopie d'ecran - Google Patents

Appareil de nettoyage destine a une imprimante de recopie d'ecran Download PDF

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Publication number
WO2004086830A1
WO2004086830A1 PCT/KR2004/000588 KR2004000588W WO2004086830A1 WO 2004086830 A1 WO2004086830 A1 WO 2004086830A1 KR 2004000588 W KR2004000588 W KR 2004000588W WO 2004086830 A1 WO2004086830 A1 WO 2004086830A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
unit
cleaner
nozzle
cleaning liquid
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2004/000588
Other languages
English (en)
Inventor
Hyung Rae Ko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2004086830A1 publication Critical patent/WO2004086830A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/003—Cleaning arrangements or devices for screen printers or parts thereof
    • B41F35/005—Cleaning arrangements or devices for screen printers or parts thereof for flat screens
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • H05K3/1216—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by screen printing or stencil printing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/26—Cleaning or polishing of the conductive pattern

Definitions

  • the present invention relates to a cleaner apparatus for a screen printer, and more particularly, to a cleaner apparatus for a screen printer in which a nozzle unit for spraying cleaning liquid on the upper portion of a sheet of cleaning paper is disposed to thereby minimize the amount of cleaning liquid used and have the cleaning liquid spread over the upper portion of the sheet of cleaning paper uniformly.
  • PCBs Printed Circuit Boards
  • SMT Surface Mount Technology
  • a screen printer to which the present invention is applied is equipment for applying a cream-solder type solder on an exfoliated solder surface of a circuit pattern so that various components such as integrated circuit elements, resistors, and capacitors can be soldered, as a pre-processing work of a soldering work to be performed on a PCB in a SMT process.
  • the screen printer equipment includes a side conveyor which transfers an input PCB to a working position and discharge the worked PCB, a squeezer for squeezing cream-solder type solder put on a mask, a cleaner which cleans the lower surface of the mask after completing a screen printing work, and a working portion having a working plate and a working conveyor, which is located in the lower portion of the mask to perform a screen printing work.
  • a PCB is input by an input-end side conveyor, and transferred to the working conveyor in the central working portion to then be positioned on the upper portion of the working plate. Thereafter, an identification mark indicated on the PCB and an identification mark indicated on the mask are identified by a camera. By doing so, the solder surfaces on the PCB and solder injection holes perforated on the mask in correspondence to the solder surfaces are aligned. Then, the working conveyor is made to ascend and simultaneously the mask and the squeezer are made to descend, so that the mask and the PCB are made to closely contact each other. Thereafter, a squeezer blade is made to move back and forth so that the solder put on the mask is pushed through the solder injection holes formed on the mask. As a result, solder can be applied on the solder surfaces of the PCB. Thereafter, the solder-applied PCB is transferred from the central working conveyor to a discharge-end side conveyor to then be discharged.
  • a cleaning process is performed, in which a cleaner apparatus is put into the lower portion of the mask, in order to wash the lower portion of the mask with a sheet of cleaning paper into which solvent used as cleaning liquid is soaked. Accordingly, the solder remaining in the lower portion of the solder injection holes on the mask is cleaned. While passing through the cleaning process, the cleaning liquid and the solder remaining in the upper portion of the sheet of cleaning paper are inhaled and removed through mesh holes on a sheet of porous cleaning paper into a vacuum portion, and then the cleaning paper is dried by an air flow. Disclosure of Invention
  • a conventional cleaner apparatus 10 includes a nozzle unit 12 for spraying cleaning liquid which is disposed and mounted below a sheet of cleaning paper 11.
  • a cleaning efficiency is lowered. That is, since the cleaning liquid which is sprayed toward the lower portion of the fibrous porous cleaning paper 11 is spread onto the upper portion of the cleaning paper 11 only by a penetration phenomenon of the cleaning paper 11, an actual distribution of cleaning liquid on the upper portion of the cleaning paper 11 cannot but be low. As a result, a cleaning efficiency of cleaning the lower portion of the mask 42 is low.
  • a cleaner apparatus for a screen printer having a structure that a cleaner unit is transferred to a screen printing working portion, and the cleaner unit comprises a winding roller for winding cleaning paper, a driving roller which drives and feeds the wound cleaning paper along a guide according to driving of a motor, a vacuum portion for inhaling cleaning liquid stained on the cleaning paper, and an air blower for drying the cleaning paper, the cleaning apparatus comprising a nozzle portion which is mounted in the cleaner unit, for spraying cleaning liquid on a head frame of an advancement portion where the cleaner unit advances to a working position with a mask, so that cleaning liquid can be sprayed toward the upper surface of the cleaning paper.
  • the nozzle portion comprises: a tubular nozzle unit having a number of spraying holes which are formed in series; an external housing which is combined to enclose the tubular nozzle unit and whose side section is formed of a substantially C- shaped body with the periphery of the nozzle spraying holes opened; a power transmission unit having a rack and a pinion, to make the external housing rotate; and a cylinder which runs the power transmission unit.
  • FIG. 1 is a perspective view showing the whole configuration of a screen printer to which the present invention is applied;
  • FIG. 2 is a perspective view showing a cleaner apparatus according to the present invention;
  • FIG. 3 is a cross-sectional view of a nozzle portion taken along a line A-A of FIG.
  • FIG. 4 is a conceptual view for explaining functions of the cleaner apparatus according to the present invention
  • FIG. 5 is a conceptual view for explaining functions of a conventional cleaner apparatus.
  • FIG. 1 is a perspective view showing the whole configuration of a screen printer to which the present invention is applied.
  • FIG. 2 is a perspective view showing a cleaner apparatus according to the present invention.
  • FIG. 3 is a cross-sectional view of a nozzle portion taken along a line A-A of FIG. 2.
  • FIG. 4 is a conceptual view for explaining functions of the cleaner apparatus according to the present invention.
  • a screen printer to which the present invention is applied includes a side conveyor 30 which transfers an input PCB to a working position and discharge the worked PCB, a squeezer 20 for squeezing cream-solder type solder put on a mask 42, a cleaner unit 100 which cleans the lower surface of the mask 42 after completing a screen printing work, and a working portion 40 having a working plate and a working conveyor, which is located in the lower portion of the mask 42 to perform a screen printing work, which is the same as that of general screen printer equipment.
  • the cleaner unit 100 whose body is transferred to the screen printing working portion 40 back and forth, includes a winding roller 131 for winding cleaning paper 11, a driving roller 132 which feeds the wound cleaning paper 11 along a guide according to driving of a motor, a vacuum portion 140 for inhaling cleaning liquid stained on the cleaning paper 11, and an air blower 130 for drying the cleaning paper 11, which is also same as that of the general screen printer equipment.
  • the cleaner apparatus for a screen printer includes a nozzle portion 120 which is mounted in the cleaner unit 100, for spraying cleaning liquid on a head frame 162 of an advancement portion where the cleaner unit 100 advances to a working position with a mask 42, so that cleaning liquid can be sprayed toward the upper surface of the cleaning paper 11.
  • the nozzle portion 120 sprays cleaning liquid from above the cleaning paper 11, so that the cleaning liquid is distributed over the upper surface of the cleaning paper 11. Accordingly, a more excellent cleaning effect of cleaning the lower portion of the mask 42 can be obtained in comparison with the conventional case where a nozzle unit is located below the cleaning paper.
  • a screen printer should be designed to have a structure of preventing pollution due to drop of the above-described cleaning liquid.
  • the present invention provides a nozzle portion to solve the above- described problems.
  • the nozzle portion 120 includes: a tubular nozzle unit
  • a reference numeral 172 denotes a solenoid valve for opening and closing the nozzle portion 122.
  • the spraying holes 122a of the nozzle portion 122 are directed upwards from the cleaning paper 11, or downwards toward the cleaning paper 11.
  • the spraying holes 122a of the nozzle portion 122 are directed downwards toward the cleaning paper 11, and during non- spraying, the spraying holes 122a of the nozzle portion 122 and the opening portion 124a of the external housing 124 are directed upwards. Accordingly, the cleaning liquid dropping from the nozzle portion 122 falls down to the inner portion of the external housing 124 and kept therein, an unnecessary drop of the cleaning liquid can be prevented.
  • the cleaning liquid kept in custody in the external housing 124 drops on the cleaning paper 11, at a time when the opening portion 124a of the external housing 124 is directed downwards, that is, the cleaning liquid is sprayed on the cleaning paper, and is applied thereon, to thereby prevent the leaning liquid from falling down on an undesired portion and staining it.
  • the present invention has a nozzle structure of spraying cleaning liquid on the upper portion of cleaning paper.
  • cleaning liquid is effectively applied on the cleaning paper.
  • a cleaning effect of cleaning remaining solder stained on a mask is more excellent than that of a cleaner apparatus having a conventional nozzle structure.
  • stain and chemical corrosion of the cleaner apparatus which may occur due to drop of cleaning liquid down to the lower portion of the cleaner apparatus by the external housing of the nozzle portion, can be prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Screen Printers (AREA)

Abstract

L'invention concerne un appareil de nettoyage destiné à une imprimante de recopie d'écran comportant une structure dans laquelle une unité de nettoyage (100) est transférée vers une partie de travail d'imprimante de recopie d'écran. L'unité de nettoyage (100) comprend un cylindre d'enroulement (131), un cylindre d'entraînement (132), une partie sous vide (140), et une soufflante de production d'air (150). L'appareil de nettoyage comprend une partie buse (120) dans laquelle le liquide de nettoyage peut être pulvérisé à travers la surface supérieure du papier de nettoyage (11). Dans cette invention, la partie buse (120) comprend une unité de buse tubulaire (122) comportant un certain nombre de trous de pulvérisation, lesquels sont ménagés en série; un boîtier externe (124) combiné de manière à contenir l'unité de buse tubulaire (122) et dont la section latérale est formée selon un corps sensiblement en forme de C avec la périphérie des trous de pulvérisation de buse ouverte; une unité de transmission de puissance (126) équipée d'un support (126a) et d'un pignon (126b) afin d'entraîner la rotation du boîtier externe (124); et un cylindre (128) qui entraîne l'unité de transmission de puissance (126).
PCT/KR2004/000588 2003-03-25 2004-03-18 Appareil de nettoyage destine a une imprimante de recopie d'ecran Ceased WO2004086830A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20-2003-0008839U KR200321065Y1 (ko) 2003-03-25 2003-03-25 스크린프린터의 크리너 장치
KR20-2003-0008839 2003-03-25

Publications (1)

Publication Number Publication Date
WO2004086830A1 true WO2004086830A1 (fr) 2004-10-07

Family

ID=33095536

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2004/000588 Ceased WO2004086830A1 (fr) 2003-03-25 2004-03-18 Appareil de nettoyage destine a une imprimante de recopie d'ecran

Country Status (2)

Country Link
KR (1) KR200321065Y1 (fr)
WO (1) WO2004086830A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103097138A (zh) * 2010-04-05 2013-05-08 Dtg国际有限公司 丝网清洁装置及方法
CN103395289A (zh) * 2013-07-29 2013-11-20 昆山元崧电子科技有限公司 一种印刷机自动擦拭机构
CN103991281A (zh) * 2014-05-30 2014-08-20 苏州倍辰莱电子科技有限公司 一种钢网自动清洗设备
CN103991280A (zh) * 2014-05-30 2014-08-20 苏州倍辰莱电子科技有限公司 钢网自动清洗设备
CN104149489A (zh) * 2014-08-27 2014-11-19 昆山元崧电子科技有限公司 适用于印刷机的自动擦拭装置
JP2018134805A (ja) * 2017-02-22 2018-08-30 パナソニックＩｐマネジメント株式会社 スクリーン印刷方法およびスクリーン印刷装置ならびにスクリーン印刷システム
EP3482943A1 (fr) * 2017-11-12 2019-05-15 ASM Assembly Systems Singapore Pte. Ltd. Dispositif et procédé de nettoyage d'un écran
CN110181943A (zh) * 2019-07-01 2019-08-30 厦门东正彩印刷有限公司 一种网版自动清洗装置
CN113954505A (zh) * 2021-09-18 2022-01-21 深圳市国芯通科技有限公司 一种用于电路板焊料印刷设备
CN114132077A (zh) * 2021-10-25 2022-03-04 中建材（宜兴）新能源有限公司 一种丝网印刷工艺用网板油墨清理设备及其使用工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10217433A (ja) * 1997-02-07 1998-08-18 Itsukou:Kk スクリーン印刷機のスクリーンマスクのクリーニング装置
KR0170711B1 (ko) * 1995-12-15 1999-05-01 김광호 메탈 마스크 세척 장치
US5901405A (en) * 1995-02-18 1999-05-11 Tani Electronics Industry Co., Ltd. Device for cleaning screen plate used in screen printing
JP2002210924A (ja) * 2001-01-19 2002-07-31 Tani Electronics Corp スクリーン印刷機におけるスクリーン版清掃装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901405A (en) * 1995-02-18 1999-05-11 Tani Electronics Industry Co., Ltd. Device for cleaning screen plate used in screen printing
KR0170711B1 (ko) * 1995-12-15 1999-05-01 김광호 메탈 마스크 세척 장치
JPH10217433A (ja) * 1997-02-07 1998-08-18 Itsukou:Kk スクリーン印刷機のスクリーンマスクのクリーニング装置
JP2002210924A (ja) * 2001-01-19 2002-07-31 Tani Electronics Corp スクリーン印刷機におけるスクリーン版清掃装置

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103097138A (zh) * 2010-04-05 2013-05-08 Dtg国际有限公司 丝网清洁装置及方法
CN103097138B (zh) * 2010-04-05 2017-04-05 Dtg国际有限公司 丝网清洁装置及方法
CN103395289A (zh) * 2013-07-29 2013-11-20 昆山元崧电子科技有限公司 一种印刷机自动擦拭机构
CN103991281A (zh) * 2014-05-30 2014-08-20 苏州倍辰莱电子科技有限公司 一种钢网自动清洗设备
CN103991280A (zh) * 2014-05-30 2014-08-20 苏州倍辰莱电子科技有限公司 钢网自动清洗设备
CN104149489A (zh) * 2014-08-27 2014-11-19 昆山元崧电子科技有限公司 适用于印刷机的自动擦拭装置
JP2018134805A (ja) * 2017-02-22 2018-08-30 パナソニックＩｐマネジメント株式会社 スクリーン印刷方法およびスクリーン印刷装置ならびにスクリーン印刷システム
EP3482943A1 (fr) * 2017-11-12 2019-05-15 ASM Assembly Systems Singapore Pte. Ltd. Dispositif et procédé de nettoyage d'un écran
CN109823047A (zh) * 2017-11-12 2019-05-31 先进装配系统新加坡有限公司 丝网下清洁系统
CN110181943A (zh) * 2019-07-01 2019-08-30 厦门东正彩印刷有限公司 一种网版自动清洗装置
CN113954505A (zh) * 2021-09-18 2022-01-21 深圳市国芯通科技有限公司 一种用于电路板焊料印刷设备
CN114132077A (zh) * 2021-10-25 2022-03-04 中建材（宜兴）新能源有限公司 一种丝网印刷工艺用网板油墨清理设备及其使用工艺

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