WO2013014781A1 - Plaque d'impression sérigraphique - Google Patents

Plaque d'impression sérigraphique Download PDF

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Publication number
WO2013014781A1
WO2013014781A1 PCT/JP2011/067219 JP2011067219W WO2013014781A1 WO 2013014781 A1 WO2013014781 A1 WO 2013014781A1 JP 2011067219 W JP2011067219 W JP 2011067219W WO 2013014781 A1 WO2013014781 A1 WO 2013014781A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal mask
frame
screen printing
printing plate
pin
Prior art date
Application number
PCT/JP2011/067219
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/JP2011/067219 priority Critical patent/WO2013014781A1/fr
Publication of WO2013014781A1 publication Critical patent/WO2013014781A1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B41N1/248—Mechanical details, e.g. fixation holes, reinforcement or guiding means; Perforation lines; Ink holding means; Visually or otherwise detectable marking means; Stencil units

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 obliquely downward.
  • a pressing force using air pressure in the air tube is used.
  • the present invention provides a screen printing plate that can hold the tension of a metal mask constant over a long period of time, eliminates the need for a sheet, reduces the number of parts, and reduces the storage space.
  • the present invention relates to a metal mask in the form of a metal plate, a printing region formed in a substantially central portion of the metal mask and including a plurality of filling holes for filling a paste material to be printed on a substrate, and a periphery of the metal mask.
  • a frame that holds and fixes the portion, a holding means that is provided on the frame and that directly engages the metal mask, and that is provided on the frame and substantially surrounds the printing area on the inner side of the peripheral edge,
  • a moving pedestal that is in contact with one surface of a metal mask and the frame are provided on the frame, and the moving pedestal itself is moved in a direction perpendicular to the metal mask while being in contact with the moving pedestal, and is attached to the metal mask.
  • a screen printing plate comprising an elastic body for maintaining a pressed state and switching means for switching compression and release of the elastic body.
  • the elastic body is a spring arranged so as to expand and contract in the moving direction of the moving base, and the switching means engages with the moving base and resists the elasticity of the spring in the compressing direction.
  • An air cylinder that moves and releases the engagement with the moving base.
  • the holding means is inserted from a plurality of pin holes formed at intervals along the peripheral edge, and from a surface side opposite to the surface on which the movable base is in contact with the pin holes.
  • a holding member that is provided at the tip of the pin and that holds the metal mask together with the frame and presses the peripheral edge against the surface of the frame.
  • a through-hole penetrating the metal mask is intermittently provided along a portion where the metal mask contacts the moving base.
  • the movable pedestal itself moves in a direction perpendicular to the metal mask to push up the metal mask, and the pressing force for pushing up is held by the elastic body (for example, a spring). Therefore, the tension of the metal mask can be kept constant for a long time.
  • the pressing force by the elastic body can be easily released by compressing the spring with an air cylinder or the like.
  • 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 screen printing plate according to the present invention.
  • 1 is a schematic side view of a screen printing plate according to the present invention. It is a schematic plan view of a frame. It is a schematic side view of a frame. It is the schematic of the state which mounted the metal mask in the flame
  • FIG. 7 is a schematic plan view of FIG. 6.
  • FIG. 7 is a schematic side view of FIG. 6. It is the schematic of the state by which the metal mask was fixed to the flame
  • 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 4 is formed at a substantially central portion.
  • a large number of filling holes 5 penetrating the metal mask 2 are formed in the printing region 4.
  • the filling hole 5 is for filling a paste (for example, 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 suitable for the substrate is manufactured at the time of manufacturing the substrate.
  • Mask 2 is selected and used.
  • the frame 3 holds and fixes the peripheral edge 2a 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 2 b formed at intervals along the peripheral edge 2 a of the metal mask 2. In addition, you may form the reinforcement board for reinforcement in the position which forms the pin hole 2b.
  • the metal mask 2 into which the pins 6 are inserted is further sandwiched by the holding member 7 provided on the frame 3 at the peripheral edge 2a.
  • the holding member 7 is formed to be rotatable with respect to the frame 3 via a hinge 8.
  • the frame 3 is generally 650 (mm) ⁇ 550 (mm).
  • the metal mask 2 is placed on 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 metal mask 2 is actually placed on the moving base 10 provided on the frame 3.
  • the movable pedestal 10 is in contact with one surface (lower surface) of the metal mask 2.
  • the movable pedestal 10 substantially surrounds the printing area 4 on the inner side of the peripheral edge 2 a of the metal mask 2. That is, the movable base 10 is formed inside the pin 6 in the frame 3 (see FIG. 3).
  • This elastic body is disposed below the movable base 10.
  • This elastic body is, for example, a spring 11, which is disposed so that the expansion / contraction direction is orthogonal to the metal mask 2 and is disposed in contact with the movable base 10 (in the state of FIG. 5, the spring 11 is compressed and held). State.) Therefore, the moving base 10 moves in a direction perpendicular to the metal mask 2 by the extension of the spring 11. That is, when the spring 11 is released, the movable base 10 pushes the metal mask 2 upward.
  • a plurality of springs 11 are provided on each side of the frame 3.
  • the frame 3 has a hollow shape composed of a receiving body 3a and a covering body 3b, and switching means for switching compression and release of the spring 11 is arranged in the hollow space 3c.
  • the switching means is, for example, an air cylinder 12 (see FIGS. 6 and 7).
  • the air cylinder 12 When air is supplied to the air cylinder 12, the cylinder rod 13 extends.
  • An engagement member 14 is attached to the tip of the cylinder rod 13.
  • the engaging member 14 is engaged by pressing the protrusion 15 protruding to the side of the movable base 10 from above.
  • the engaging member 14 has a slope surface 14 a that falls from the front end side toward the rear end side, and the protrusion 15 is positioned below the slope surface 14 a. Yes.
  • the protrusion 15 is lowered while moving relatively to the rear end side of the engaging member 14 along the inclined surface 14a.
  • the protrusion 15 is positioned on the lowermost side by the engaging member 14.
  • the spring 11 disposed on the lower side of the movable pedestal 10 is contracted, and the state shown in FIG. In other words, the air cylinder 12 is engaged with the moving base 10 via the cylinder rod 13, the engaging member 14, and the protrusion 15, and the spring 11 is compressed against the elasticity of the spring 11 to lower the moving base 10. .
  • a plurality of air cylinders 12 are arranged on each side of the frame 3 (two on the short side and three on the long side in FIG. 3). 12 is formed along each side of the frame 3, and is connected to the inlet 12 a of each air cylinder 12. An air supply port 16 a and an air discharge port 16 b are formed in the supply path 16, and the supply port 16 a and the discharge port 16 b are exposed to the side of the frame 3.
  • the holding member 7 is rotated via the rotation shaft 17 provided in the hinge 8 (in the direction of arrow A in FIG. 5), and the pin 6 provided at the tip of the holding member 7 is inserted into the pin hole 2b. That is, the pin 6 is inserted into the pin hole 2b from the surface (upper surface) side opposite to the surface (lower surface) on which the movable base is in contact with the metal mask 2, and the peripheral edge portion 2a of the metal mask is connected to the holding member 7. It is sandwiched between the frame 3 (specifically, the covering body 3b) and pressed against the surface of the frame 3 (see FIG. 9). A through hole 7 a is formed in the holding member 7, and a pin 18 erected from the frame 3 is inserted into the through hole 7 a as the holding member 7 rotates. The pin 18 is a lock mechanism that restricts the holding member 7 from rotating upward again.
  • the movable base 10 itself moves in a direction orthogonal to the metal mask 2 to push up the metal mask 2, and the pressing force for pushing up is held by the elastic body (for example, the spring 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 compressing the spring 11 with the air cylinder 12 or the like.
  • the expansion and contraction and release of the spring 11 are not limited to the air cylinder 12 described above, and an air hose, a mechanical member, or the like may be used.
  • a certain tension can be given to the metal mask 2 by directly pushing up in the direction orthogonal to the metal mask 2, and the tension can be held semipermanently by using this pushing force with an elastic body.
  • the frame 3 is directly engaged with the metal mask 2 via the holding means (holding member 7) to fix the metal mask 2, a sheet (saddle) as in the prior art becomes unnecessary, and the number of parts can be reduced.
  • the process can also be simplified.
  • the holding member 7 can be easily realized by, for example, a structure in which the pin 6 provided in the frame 3 is inserted into the pin hole 2b provided in the metal mask 2, for example.
  • the metal mask 2 can be detached from the frame 3 if the engagement by the holding member 7 is released, a plurality of metal masks 2 can be applied to one frame 3, and the storage space can be reduced. it can.
  • the through holes 19 may be provided intermittently along the portion where the movable base 10 of the metal mask 2 contacts. Thereby, when the movable base 10 rises and pushes up the metal mask 2, the bending strength at this portion can be weakened. Therefore, the so-called stiffness of the metal mask 2 at the portion is weakened, and the central portion (print region 4) of the metal mask 2 can be prevented from swelling upward. That is, when the metal mask 2 is set, the cross-sectional dome shape is prevented, the tension at the central portion is increased, and an appropriate tension can be maintained.
  • the through hole 19 is preferably formed so as to cross the contact surface of the movable base 10 with respect to the metal mask 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

L'invention porte sur une plaque d'impression sérigraphique qui est pourvue des éléments suivants : un masque métallique en forme de plaque métallique (2) ; une région d'impression formée grossièrement dans le centre du masque métallique (2) et comportant une pluralité de trous de remplissage pour charger un matériau en pâte devant être imprimé sur un substrat ; un cadre (3) pour retenir et fixer une partie de bord périphérique (2a) du masque métallique ; un moyen de retenue (7) qui est disposé sur le cadre (3) et qui vient directement en prise avec le masque métallique (2) ; un socle mobile (10) qui est disposé sur le cadre (3) et qui enferme sensiblement la région d'impression à l'intérieur de la partie de bord périphérique (2a), et qui est en contact avec une surface du masque métallique (2) ; un corps élastique (11) qui est disposé sur le cadre (3), qui provoque le déplacement du socle mobile (10) dans une direction perpendiculaire au masque métallique (2) tout en maintenant un contact avec le socle mobile (10), et qui est utilisé de façon à pousser le masque métallique (2) pour maintenir un état de compression ; un moyen de commutation (12) pour effectuer une commutation entre une compression et un relâchement du corps élastique (11).
PCT/JP2011/067219 2011-07-28 2011-07-28 Plaque d'impression sérigraphique WO2013014781A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/067219 WO2013014781A1 (fr) 2011-07-28 2011-07-28 Plaque d'impression sérigraphique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/067219 WO2013014781A1 (fr) 2011-07-28 2011-07-28 Plaque d'impression sérigraphique

Publications (1)

Publication Number Publication Date
WO2013014781A1 true WO2013014781A1 (fr) 2013-01-31

Family

ID=47600670

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/067219 WO2013014781A1 (fr) 2011-07-28 2011-07-28 Plaque d'impression sérigraphique

Country Status (1)

Country Link
WO (1) WO2013014781A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6058326U (ja) * 1983-09-30 1985-04-23 セイコーインスツルメンツ株式会社 スクリ−ン版
JPH09109364A (ja) * 1995-10-16 1997-04-28 Shinya Tomita スクリーン印刷用版枠
JP2001150632A (ja) * 1999-12-01 2001-06-05 Riso Kagaku Corp スクリーン印刷装置及び孔版原紙組立体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6058326U (ja) * 1983-09-30 1985-04-23 セイコーインスツルメンツ株式会社 スクリ−ン版
JPH09109364A (ja) * 1995-10-16 1997-04-28 Shinya Tomita スクリーン印刷用版枠
JP2001150632A (ja) * 1999-12-01 2001-06-05 Riso Kagaku Corp スクリーン印刷装置及び孔版原紙組立体

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