WO2013108364A1 - Plaque de sérigraphie - Google Patents

Plaque de sérigraphie Download PDF

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Publication number
WO2013108364A1
WO2013108364A1 PCT/JP2012/050844 JP2012050844W WO2013108364A1 WO 2013108364 A1 WO2013108364 A1 WO 2013108364A1 JP 2012050844 W JP2012050844 W JP 2012050844W WO 2013108364 A1 WO2013108364 A1 WO 2013108364A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
metal mask
moving block
elastic body
screen printing
Prior art date
Application number
PCT/JP2012/050844
Other languages
English (en)
Japanese (ja)
Inventor
久保田　真司
章稔 木村
昌文 土屋
山本　晃
Original Assignee
株式会社メイコー
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 株式会社メイコー filed Critical 株式会社メイコー
Priority to PCT/JP2012/050844 priority Critical patent/WO2013108364A1/fr
Publication of WO2013108364A1 publication Critical patent/WO2013108364A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/36—Screens, Frames; Holders therefor flat

Definitions

  • the present invention relates to a screen printing plate used for surface paste mounting solder paste printing by a screen printing method.
  • a conventional screen printing plate is formed by attaching a sheet made of polyester fiber or the like called “ ⁇ ” to one surface of a substantially rectangular frame and bonding a metal metal mask to this sheet. Since these frames, sheets, and metal masks are integrated by bonding or the like, a certain amount of storage space is required, and the handleability is poor. In addition, as a production process, it is necessary to first attach a sheet to the frame, and further adhere a metal mask, resulting in a large number of work steps and poor productivity.
  • a printing plate is known in which a sheet is not required and a metal mask can be directly attached to and detached from the frame, resulting in a reduction in storage space (see, for example, Patent Document 1).
  • a metal mask is directly attached to a frame, and tension is applied to the metal mask by pulling the metal mask outward.
  • a pressing force using air pressure in the air tube is used.
  • the present invention provides a screen printing plate in which the tension of the metal mask is kept constant over a long period of time, and the metal mask can be efficiently pulled outward from the beginning of the tension application.
  • the present invention includes a metal mask having a metal plate shape, a frame on which a peripheral portion of the metal mask is placed and fixed on an upper surface, a protrusion protruding upward from the frame, and directly engaging with the metal mask.
  • the elastic body is a compression spring having one end embedded in the moving block
  • the switching means is an air tube abutted on the moving base
  • the moving block includes the frame
  • the compression spring moves along with an inclination plate disposed therein, and the inclination plate is formed to be inclined downward toward the outside of the frame.
  • the holding means (pin) is pushed obliquely downward, and the metal mask is pulled outward while being placed on the frame.
  • the tension of the metal mask is maintained by an elastic body. Therefore, the tension of the metal mask can be kept constant for a long time. Release of the pressing force by the elastic body can be easily performed by using a switching means (air tube).
  • a switching means air tube.
  • the frame is directly engaged with the metal mask via the holding means to fix the metal mask, a conventional sheet (saddle) is not required, the number of parts can be reduced, and the manufacturing process can be simplified.
  • the holding means can be easily realized by adopting a structure in which, for example, a pin provided in the frame is inserted into a pin hole provided in the metal mask.
  • the metal mask can be detached from the frame if the engagement by the holding means is released, a plurality of metal masks can be applied to one frame, and the storage space can be reduced.
  • FIG. 1 is a schematic plan view of a frame of a screen printing plate according to the present invention. It is a schematic sectional drawing of the screen printing plate which concerns on this invention.
  • the screen printing plate 1 is formed of a metal mask 2 and a frame 3.
  • the metal mask 2 has a plate shape made of metal (for example, stainless steel), and a printing region (not shown) is formed at a substantially central portion.
  • a large number of filling holes (not shown) penetrating the metal mask 2 are formed in the printing region. This filling hole is for filling a paste (for example, a solder paste) at the time of printing, and the shape, position, etc. with respect to the metal mask 2 are different for each metal mask 2, and a metal mask adapted to the substrate at the time of substrate manufacture Select 2 to use.
  • a paste for example, a solder paste
  • the frame 3 holds and fixes the peripheral edge of the metal mask 2. This holding is performed by holding means provided on the frame 3, and this holding means has a structure that directly engages the metal mask 2. Specifically, the pin 6 provided in the frame 3 is fixed by being inserted into a plurality of pin holes 4 formed at intervals along the peripheral edge of the metal mask 2. A reinforcing plate (not shown) for reinforcement may be formed at a position where the pin hole 4 is formed in the metal mask 2. The peripheral edge of the metal mask 2 in which the pins 6 are inserted is sandwiched by a holding cover 7 provided on the frame 3. The holding cover 7 is formed to be rotatable with respect to the frame 3 via a rotation shaft 8.
  • the frame 3 is generally 650 (mm) ⁇ 550 (mm).
  • the metal mask 2 as described above is fixed to the frame 3.
  • the metal mask 2 is first placed on the frame 3. Specifically, it is placed on a pedestal 19 erected from the inside of the upper surface of the frame 3.
  • the metal mask 2 is positioned and placed using, for example, positioning pins 9 formed at four corners (see FIG. 1).
  • the pin 6 is inserted into the pin hole 4.
  • the protective cover 7 is rotated so as to cooperate with the frame 3 to sandwich the metal mask 2.
  • a locking claw 5 is formed at the tip of the protective cover 7, and the locking claw 5 passes through the through hole 10 provided in the metal mask 2.
  • the metal mask 2 is bent with the base 19 as a base point.
  • the end portion of the metal mask 2 is sandwiched between the protective cover 7 and the frame 3.
  • an inclined plate 13 that is inclined downward toward the outside is disposed.
  • the inclined plate 13 is bent to have a substantially N-shaped cross section.
  • the part used as the inclined plate 13 is the middle piece of the N-shaped cross section.
  • a moving block 14 is installed along the inclination of the inclined plate 13.
  • An elastic body 11 is embedded in the moving block 14.
  • the elastic body 11 is, for example, a compression spring, and one end thereof is embedded in the moving block 14 and can be expanded and contracted in parallel with the inclination direction of the inclined plate 13.
  • the moving block 14 includes two member first bodies 14 a and second bodies 14 b, and these first bodies 14 a and second bodies 14 b are connected by bolts 15.
  • the first body 14 a is disposed on the upper side of the inclined plate 13
  • the second body 14 b is disposed on the lower side of the inclined plate 13, and the connecting portion 18 by the bolt 15 is inserted through the long hole 17 provided in the inclined plate 13. Yes.
  • the air tube 12 is in contact with the outer end surface of the moving block 14 (first body 14a).
  • the elastic body 11 is compressed via the moving block 14.
  • the moving block 14 moves. That is, when the air tube 12 expands, the moving block 14 is pressed inward, so that it moves obliquely upward along the inclined plate 13 inward.
  • the elastic body 11 is compressed.
  • the air tube 12 contracts, the elastic body 11 expands and presses the moving block 14 outward. Accordingly, the moving block 14 moves obliquely downward along the inclined plate 13 toward the outside.
  • the air tube 12 is disposed along the periphery of the frame 3, and a supply / discharge port 12 a serving as an air inlet and outlet is formed at a corner of the frame 3.
  • the following steps are performed to apply an outward tension to the metal mask 2.
  • the air tube 12 is filled with air when the metal mask 2 is placed on the frame 3. That is, the air tube 12 is inflated.
  • the protective cover 7 is rotated to sandwich the end portion of the metal mask 2 between the frame 3 and the protective cover 7, and air is discharged from the air tube 12. That is, the air tube 12 is contracted. If it does so, the elastic body 11 will be extended
  • the pin 6 fixed to the moving block 14 also moves obliquely downward on the outside. At this time, the pin 6 comes into contact with the outer edge of the pin hole 4 and further moves outward. As a result, the metal mask 2 is pulled outward by the pins 6 and a tension is applied (state shown in FIG. 2).
  • the pin 6 moves obliquely downward, it does not protrude from the uppermost surface of the frame 3, that is, the upper surface of the pedestal 19 when the metal mask 2 is tensioned. Since the screen printing plate 1 should not have a protruding portion when used, in the present invention, when the metal mask 2 is set, the pins 6 are protruded to improve workability. As shown, it does not protrude from the frame 3. Therefore, a structure is adopted in which the pin 6 moves obliquely downward and the metal mask 2 is pulled outward. The pin 6 linearly moves obliquely downward while being engaged with the metal mask 2. In this way, the pin 6 is directly moved obliquely downward to apply an outward tension to the metal mask 2, thereby improving the mounting property of the metal mask 2 (the pin 6 is And the projection of the pin 6 when the printing plate is used.
  • the position of the metal mask 2 in the portion where the pin 6 is inserted can be kept constant.
  • the metal mask 2 is bent and held, and is held while being applied with a certain degree of tension, so that its position is also reliably constant.
  • the tension applied to the metal mask 2 is also constant by making the position where the metal mask 2 is placed constant. This is particularly useful.
  • the holding means pin 6
  • the metal mask 2 is pulled outward while being placed on the frame 3.
  • the tension of the metal mask 2 at this time is maintained by the elastic body 11. Therefore, the tension of the metal mask 2 can be kept constant for a long time. Release of the pressing force by the elastic body 11 can be easily performed by using a switching means (air tube 12).
  • a switching means air tube 12
  • the frame 3 is directly engaged with the metal mask 2 via the holding means 6 to fix the metal mask 2
  • a sheet (saddle) as in the prior art is not required, and the number of parts can be reduced, and the manufacturing process is simplified. can do.
  • the metal mask 2 can be detached from the frame 3 if the engagement by the holding means 6 is released, a plurality of metal masks 2 can be applied to one frame 3, and the storage space can be reduced. it can.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)

Abstract

La présente invention est pourvue : d'un masque en métal (2) en forme de feuille métallique ; d'un cadre (3), sur une surface supérieure duquel est montée et fixée la partie de bord périphérique du masque de métal (2) ; d'un moyen de retenue (6) destiné à entrer en prise directe avec le masque de métal (2), le moyen de retenue (6) étant disposé de manière à faire saillie vers le haut depuis le cadre (3) ; d'un bloc mobile (14) logé dans le cadre (3), et auquel est fixé le moyen de retenue (6) ; un corps élastique (11) logé dans le cadre (3) et sollicité de manière à pousser le bloc mobile (14) vers le bas selon une inclinaison descendante vers l'extérieur par rapport au cadre (3) ; et d'un moyen de changement (12) destiné à s'étendre dans la direction de compression du corps élastique (11) par le biais du bloc mobile (14), ou à se rétracter dans la direction d'extension et de contraction du corps élastique (11).
PCT/JP2012/050844 2012-01-17 2012-01-17 Plaque de sérigraphie WO2013108364A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/050844 WO2013108364A1 (fr) 2012-01-17 2012-01-17 Plaque de sérigraphie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/050844 WO2013108364A1 (fr) 2012-01-17 2012-01-17 Plaque de sérigraphie

Publications (1)

Publication Number Publication Date
WO2013108364A1 true WO2013108364A1 (fr) 2013-07-25

Family

ID=48798814

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/050844 WO2013108364A1 (fr) 2012-01-17 2012-01-17 Plaque de sérigraphie

Country Status (1)

Country Link
WO (1) WO2013108364A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5979313A (en) * 1997-03-25 1999-11-09 Bebro-Electronic Bengel & Bross Gmbh Stencil holder having independently movable tensioning elements

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5979313A (en) * 1997-03-25 1999-11-09 Bebro-Electronic Bengel & Bross Gmbh Stencil holder having independently movable tensioning elements

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