JPH01278347A - Screen frame and screen printing machine using the same - Google Patents
Screen frame and screen printing machine using the sameInfo
- Publication number
- JPH01278347A JPH01278347A JP10831288A JP10831288A JPH01278347A JP H01278347 A JPH01278347 A JP H01278347A JP 10831288 A JP10831288 A JP 10831288A JP 10831288 A JP10831288 A JP 10831288A JP H01278347 A JPH01278347 A JP H01278347A
- Authority
- JP
- Japan
- Prior art keywords
- gauze
- frame
- screen
- frame body
- mounting frame
- 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.)
- Granted
Links
- 238000007650 screen-printing Methods 0.000 title claims description 15
- 238000010304 firing Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000007639 printing Methods 0.000 description 31
- 239000002184 metal Substances 0.000 description 17
- 238000000926 separation method Methods 0.000 description 10
- 239000000835 fiber Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229920002994 synthetic fiber Polymers 0.000 description 6
- 239000012209 synthetic fiber Substances 0.000 description 6
- 230000001186 cumulative effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Screen Printers (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、プリント配線や厚膜ＩＣ、ハイブリッド回
路などの作製に利用されるスクリーン印刷において使用
される紗枠、並びにその紗枠を備えたスクリーン印刷機
に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides a gauze frame used in screen printing used for producing printed wiring, thick film ICs, hybrid circuits, etc., and a gauze frame provided with the gauze frame. Regarding screen printing machines.
スクリーン印刷は、紗枠に張設された紗（スクリーン）
に、主として写真製版法により開口部と非開口部とから
なる図形、パターンを形成してスクリーン印刷版を製作
し、このスクリーン印刷版の上に印刷インキを置き、紗
面にスキージを摺接させて前記開口部からインキを押し
出すことにより、紗の下に配置された被印刷面に図形、
パターンを転写する印刷方式である。Screen printing is a gauze (screen) stretched over a gauze frame.
First, a screen printing plate is produced by forming a figure or pattern consisting of openings and non-openings mainly by photolithography, printing ink is placed on the screen printing plate, and a squeegee is slid onto the gauze surface. By pushing out the ink from the opening, a figure is formed on the printing surface placed under the gauze.
This is a printing method that transfers a pattern.
このスクリーン印刷は、被印刷面にインキを厚く転写で
き、硬質物体や曲面体へも印刷が可能であり、またイン
キの選択幅も広いことから、各種の工業分野において利
用されており、電子工業界においてもプリント配線やハ
イブリッド回路などの形成に利用されている。そして、
特に電子工業界においては１回路の高密度化に伴ない印
刷品質の向上が要望されている。印刷品質の良否の判定
因子としては、図形、パターン累積寸法精度（紗上をス
キージが摺接移動する際の摺動抵抗によって生じる。印
刷版と印刷物との間の各座標位置におけるずれの程度）
、印刷パターンの線幅精度（ファイン化）、印刷パター
ンの厚み精度、解像度が考えられ、電子工業界において
その一部或いは全ぞの高精度化。This screen printing is used in various industrial fields because it can transfer ink thickly onto the printing surface, it can print on hard objects and curved objects, and it also has a wide range of ink choices. It is also used in the industry to form printed wiring and hybrid circuits. and,
Particularly in the electronic industry, there is a demand for improved printing quality as the density of one circuit increases. The factors that determine the quality of printing are the cumulative dimensional accuracy of figures and patterns (generated by the sliding resistance when the squeegee slides on the gauze; the degree of deviation at each coordinate position between the printing plate and the printed material)
, Line width accuracy (fineness) of printed patterns, thickness accuracy of printed patterns, and resolution are considered, and in the electronics industry, some or all of them are becoming more accurate.
微細化が要望されている。そして、従来は、紗の材質、
構成の選定、改良、紗と被印刷物間のギャップの最適値
化、印刷条件の最適化などによって上記要望に応えよう
としていた。There is a demand for miniaturization. Traditionally, the material of the gauze,
Attempts were made to meet the above demands by selecting and improving the configuration, optimizing the gap between the gauze and the substrate, and optimizing printing conditions.
第３図に、従来の紗枠の構成を示す、従来の紗枠は、木
製又は金属製の矩形状の枠体１に紗２を、その四辺を引
っ張って規定の張力（テンション）を持たせた状態で接
着、その他の方法により取り付けた構成である。そして
、印刷を行なうときは、第４図に概略側面図を示すよう
に、被印刷物台（ステージ）３上に真空吸着、その他の
方法によって載置固定された被印刷物４と紗２との間に
隙間（ギャップ）ｄをとり。Figure 3 shows the structure of a conventional gauze frame.A conventional gauze frame consists of a rectangular frame 1 made of wood or metal, and a gauze 2 placed on its four sides to create a specified tension. This is a configuration in which it is attached by gluing or other methods. When printing, as shown in the schematic side view in FIG. Take a gap d.
枠体１を固定して、紗枠を印刷機本体にセットする。こ
の際、紗２は、二点鎖線で示すように水平に張った状態
にある。この状態で、紗２上にインキ５を塗布し、次い
でスキージ６を紗２に圧接させて、紗２を被印刷物４の
表面に押圧し接触させる。この時、紗２は伸ばされて実
線で示した状態になる。この状態で、スキージ６を矢印
で示した方向へ移動させ、紗２の開口部を通してインキ
５を被印刷物４に転写する。そして、スキージ６の移動
に伴い、紗２は、その張力により順次、いわゆる版離れ
しながら被印刷物４との接触位置が移ってゆき、印刷が
行なわれる。The frame body 1 is fixed and the gauze frame is set in the printing press body. At this time, the gauze 2 is stretched horizontally as shown by the two-dot chain line. In this state, ink 5 is applied onto the gauze 2, and then a squeegee 6 is brought into pressure contact with the gauze 2 to press and contact the gauze 2 with the surface of the printing material 4. At this time, the gauze 2 is stretched and becomes the state shown by the solid line. In this state, the squeegee 6 is moved in the direction indicated by the arrow, and the ink 5 is transferred to the printing material 4 through the opening of the gauze 2. As the squeegee 6 moves, the tension of the gauze 2 causes the gauze 2 to gradually shift its contact position with the printing material 4 while being separated from the plate, and printing is performed.
ところで、紗２は、ナイロンやポリエステル等の繊維を
使用した織物か、ステンレススチール等の金属をエツチ
ングするか、あるいはメツキ法により作成されるかのい
ずれかから形成されている。そして、一般に、化学繊維
製の紗は、弾力性があるのでギャップｄを大きくするこ
とができ、弾力性があってギャップが大きいことから版
離れが良く、このため印刷パターンの線幅の寸法精度が
良好である。一方、金属製の紗は、スキージの押圧力に
対する伸び量が微少であるため、ギャップｄを小さく
（０，５〜１ｒ！Ｉｍ程度）せざるを得ないが、伸びが
少なくギャップが小さいことから、図形パターンの累積
寸法精度が良好であるといった特徴を有している。By the way, the gauze 2 is formed from either a fabric using fibers such as nylon or polyester, etching metal such as stainless steel, or a plating method. In general, gauze made of chemical fibers has elasticity, so the gap d can be increased, and since it is elastic and has a large gap, it is easy to release the plate, and therefore the dimensional accuracy of the line width of the printed pattern can be improved. is good. On the other hand, metal gauze has a small amount of elongation in response to the pressing force of the squeegee, so the gap d must be made small.
(approximately 0.5 to 1r!Im), but since there is little elongation and the gap is small, it has the feature that the cumulative dimensional accuracy of the graphic pattern is good.
また、第５図に示すように、金属メツシュアとポリエス
テルメツシュ等の弾性被膜８とを金属メツシュアの周縁
部で部分的に重ね合わせ、そのオーバーラツプ部９で両
者を接着剤等により接合して１枚の紗を形成し、その紗
を矩形状の枠体１′に、弾性被膜８の部分を引っ張って
テンションを持たせた状態で取り付けて構成されたコン
ビネーション方式の紗枠がある。このコンビネーション
方式の紗枠は、上記した化学繊維製の紗の特徴及び金属
製の紗の特徴を両方兼ね備えたものである。Further, as shown in FIG. 5, a metal mesh and an elastic coating 8 such as a polyester mesh are partially overlapped at the periphery of the metal mesh, and the two are bonded at the overlap part 9 using an adhesive or the like. There is a combination type gauze frame constructed by forming a sheet of gauze and attaching the gauze to a rectangular frame 1' with tension applied by pulling the elastic coating 8. This combination type gauze frame has both the characteristics of the chemical fiber gauze and the metal gauze described above.
しかしながら、化学繊維製の紗を使用した紗枠は、版離
れを良くするためにギャップを大きくとっているので、
印刷時における紗の伸び量が大きくなり、印刷を繰り返
すうちに紗の復元力が低下してクリープ（漸伸）現象が
みられる。However, gauze frames using synthetic fiber gauze have large gaps to improve plate separation, so
The amount of elongation of the gauze during printing increases, and as printing is repeated, the restoring force of the gauze decreases, causing a creep (gradual elongation) phenomenon.
このようにして紗に永久伸びが生じると、版離れが一定
にならず、印刷パターンの線幅の寸法精度が変化して、
印刷物の品質が変動する。If permanent elongation occurs in the gauze in this way, plate separation will not be constant, and the dimensional accuracy of the line width of the printed pattern will change.
Print quality fluctuates.
また、金属製の紗を使用した紗枠は、上記したように図
形、パターンの累積寸法精度が良好であるといった長所
を持っている反面、紗の弾力性が極めて小さくかつギャ
ップを小さくせざるを得ないために、版離れが悪く、品
質の判定因子のうち印刷パターンの線幅精度の点からみ
ると、印刷物の品質が良好とは言えない。In addition, gauze frames made of metal gauze have the advantage of good cumulative dimensional accuracy of figures and patterns as mentioned above, but on the other hand, the elasticity of the gauze is extremely small and the gap must be made small. As a result, plate separation is poor, and the quality of the printed matter cannot be said to be good in terms of the line width accuracy of the printed pattern, which is one of the quality determining factors.
さらに、コンビネーション方式の紗は、化学繊維製の紗
及び金属製の紗のそれぞれの長所を具備させるべく開発
されたものであるが１弾性被膜部分にポリエステルメツ
シュ等を使用しているため、印刷を繰り返すうちにやは
りその部分で永久伸びが生じ、上記した化学繊維製の紗
における場合と同様の問題が残る。しかも、この方式の
紗は、オーバーラツプ部９が弾性被膜。Furthermore, although the combination type gauze was developed to have the respective advantages of synthetic fiber gauze and metal gauze, it uses polyester mesh etc. for the elastic coating part, so it is difficult to print. As this is repeated, permanent elongation occurs in that part, and the same problem as in the case of the synthetic fiber gauze described above remains. Moreover, in this type of gauze, the overlap part 9 is an elastic coating.
金属メツシュ及び両者を接合する１例えば接着剤層から
なる積層構造となっているためそのオーバーラツプ部９
の剛性が他の金属メツシュアや弾性被膜８の部分に比べ
て高いことから、オーバーラツプ部９と金属メツシュア
及び弾性被膜８との境界部分で不要な変形を生じ、その
結果、印刷パターンの線幅の寸法精度に悪影響を及ぼす
といった新たな問題が生じる可能性もある。Since it has a laminated structure consisting of a metal mesh and an adhesive layer for example, the overlap part 9
Since the rigidity of the mesh is higher than other parts of the metal mesh and the elastic coating 8, unnecessary deformation occurs at the boundary between the overlap part 9 and the metal mesh and the elastic coating 8, resulting in a decrease in the line width of the printed pattern. New problems may arise, such as adversely affecting dimensional accuracy.
この発明は、以上の現状に鑑みてなされたものであり、
化学繊維製の紗を使用した場合において、紗の永久伸び
を最小限に抑えて版離れを可及的に一定に保持すること
ができ、また、金属製の紗を使用した場合においては、
版離れを良くするべくギャップを適正値に設定すること
ができ、しかも、コンビネーション方式の紗枠における
ような上記問題も生じない紗枠、並びにその紗枠を使用
したスクリーン印刷機を提供することを技術的課題とす
る。This invention was made in view of the above-mentioned current situation,
When using synthetic fiber gauze, permanent elongation of the gauze can be minimized and plate separation can be kept as constant as possible; when metal gauze is used,
To provide a gauze frame in which the gap can be set to an appropriate value to improve plate separation, and which does not cause the above-mentioned problems unlike the combination type gauze frame, and a screen printing machine using the gauze frame. Consider it a technical issue.
この発明は、上記課題を達成するための手段として、従
来の紗枠のような矩形枠体を使用せずに、一対の取付枠
体を離間させて互いに平行に配設し、これら一対の取付
枠体間に紗を張設し、そして一対の案内棒等のガイド手
段により両数付枠体を、ガイド手段の一端部を取付枠体
のうちの一方の両端部にそれぞれ垂直に係合もしくは係
着させるとともに、取付枠体のうちの他方の両端部を各
案内棒にそれぞれ垂直にかつ摺動自在に係合させること
により互いに連結し、さらにガイド手段と摺動自在に係
合した取付枠体に弾発手段を取着するようにして紗枠を
構成したことを要旨とする。In order to achieve the above object, the present invention does not use a rectangular frame body like a conventional gauze frame, but instead arranges a pair of mounting frames spaced apart and parallel to each other. A gauze is stretched between the frame bodies, and a pair of guide means such as a pair of guide rods is used to vertically engage the frame body with both numbers, and one end of the guide means is vertically engaged with both ends of one of the mounting frame bodies. At the same time, the mounting frames are connected to each other by vertically and slidably engaging the other ends of the mounting frame with each of the guide rods, and are further slidably engaged with the guide means. The gist is that the gauze frame is constructed in such a way that an explosive means is attached to the body.
前記紗は、化学繊維や金属メツシュにより形成される。The gauze is made of chemical fiber or metal mesh.
また、前記弾発手段のばね定数を紗のばね定数より小さ
く設定すると良い。Further, it is preferable that the spring constant of the elastic means is set smaller than the spring constant of the gauze.
そして、上記構成の紗枠の取付枠体のうちの一方を機体
に形成された枠体保持部に固着するとともに、紗枠にお
ける一対の案内棒等のガイド手段の各先端部を機体に形
成されたガイド手段保持部にそれぞれ固着し、さらにガ
イド手段に摺動自在に係合した取付枠体に弾発手段を、
紗枠の紗に対し張力を付与する方向へその取付枠体を付
勢するよう取着することにより、この発明に係るスクリ
ーン印刷機が構成されている。Then, one of the mounting frames of the gauze frame having the above configuration is fixed to a frame holding portion formed on the body, and each tip of the guide means such as a pair of guide rods in the gauze frame is attached to the frame body formed on the body. The resilient means are fixed to the guide means holding portions respectively, and the resilient means are attached to the mounting frame body which is slidably engaged with the guide means.
The screen printing machine according to the present invention is constructed by attaching the gauze frame so as to bias the gauze in a direction that applies tension to the gauze.
〔作 用〕
上記構成の紗枠を上記したように印刷機本体にセットし
て、そのスクリーン印刷機により印刷を行なうときは、
化学繊維製の紗を使用した場合、スキージを紗に押し付
け、紗を被印刷物に接触させると紗が伸長するが、その
際に紗に生じる張力増加分によって、案内棒に摺動自在
に係合した取付枠体が弾発手段の弾発力に抗しもう一方
の取付枠体の方へ僅かに移動させられ、紗の張力と弾発
手段の弾発力とが拮抗した状態において取付枠体及び紗
が保持される。このように、枠体が固定的である従来の
紗枠に比べて、印刷時における紗の伸び量が取付枠体の
移動距離分だけ少なくなるため、紗の永久伸びが最小限
に抑えられることとなり、版離れを可及的に一定に保持
することができる。尚、弾発手段のばね定数を化学繊維
製の紗のばね定数より小さく設定すればする程、上記効
果は大きくなる。[Operation] When the gauze frame with the above configuration is set in the printing machine body as described above and printing is performed by the screen printing machine,
When using synthetic fiber gauze, when you press the squeegee against the gauze and bring the gauze into contact with the substrate, the gauze stretches, and the increased tension generated in the gauze causes it to slide freely into the guide rod. The attached mounting frame is moved slightly toward the other mounting frame against the elastic force of the elastic means, and when the tension of the gauze and the elastic force of the elastic means are balanced, the mounting frame and gauze are retained. In this way, compared to a conventional gauze frame with a fixed frame, the amount of gauze elongation during printing is reduced by the distance traveled by the mounting frame, so permanent elongation of the gauze can be minimized. Therefore, plate separation can be kept as constant as possible. Incidentally, the smaller the spring constant of the elastic means is set than the spring constant of the synthetic fiber gauze, the greater the above effect becomes.
また、紗が金属メツシュから形成されている場合は、紗
の弾力性は極めて小さく、紗自体の伸び量は極めて少な
いが、印刷に際してスキージを紗に押し付けると、その
際の紗の変形に対応し、案内棒に摺動自在に係合した取
付枠体が紗を介し弾発手段の弾発力に抗して引っ張られ
。In addition, when the gauze is made of metal mesh, the elasticity of the gauze is extremely low and the amount of elongation of the gauze itself is extremely small, but when a squeegee is pressed against the gauze during printing, the gauze deforms at that time. , the mounting frame slidably engaged with the guide rod is pulled against the elastic force of the elastic means through the gauze.
その取付枠体が紗の伸び分を除いた距離だけもう一方の
取付枠体の方へ移動させられる。このように、一方の枠
体が移動可能であるため、印刷時における紗自体の伸び
量が極めて少なくても、ギャップを大きく設定すること
ができるようになり、また紗は弾発手段によってテンシ
ョンを与えられるので、版離れが良くなる。この場合も
、弾発手段のはね定数を紗のばね定数より小さく設定す
ればする程版離れは良好となる。The mounting frame body is moved toward the other mounting frame body by a distance excluding the stretch of the gauze. In this way, since one frame is movable, it is now possible to set a large gap even if the amount of stretch of the gauze itself during printing is extremely small, and the gauze can be tensioned by the elastic means. Since it is given, it is easier to separate from the version. Also in this case, the smaller the spring constant of the springing means is set than the spring constant of the gauze, the better the plate separation will be.
そして、印刷を終えて、紗に対し加えていたスキージの
押圧力を解除すると、案内棒に摺動自在に係合した取付
枠体は、弾発手段の復元力によって元の位置に復帰する
。When printing is finished and the pressing force of the squeegee applied to the gauze is released, the mounting frame slidably engaged with the guide rod returns to its original position by the restoring force of the resilient means.
また、両数付枠体は一対の案内棒にそれぞれ係合して保
持されているので、取付枠体への紗張りは、その作業を
比較的容易に行なえる。Further, since the frame body with both numbers is engaged with and held by the pair of guide rods, the gauze can be applied to the mounting frame body relatively easily.
以下、この発明の好適な実施例について第１図及び第２
図を参照しながら説明する。Hereinafter, preferred embodiments of the present invention will be explained with reference to FIGS. 1 and 2.
This will be explained with reference to the figures.
第１図は、この発明の１実施例に係る紗枠が取り付けら
れた印刷機本体の要部を示す平面図、第２図はその正面
図である。この紗枠１０は、間隔を介して互いに平行に
配設された固定側取付枠体１２及び可動側取付枠体１４
、これら一対の取付枠体１２．１４間に張設された紗１
６、一対の案内棒１８．１８、並びに可動側取付枠体１
４に取着された引張りコイルばね２０とから構成されて
いる。FIG. 1 is a plan view showing the main part of a printing press body to which a gauze frame according to an embodiment of the present invention is attached, and FIG. 2 is a front view thereof. This gauze frame 10 has a fixed side mounting frame 12 and a movable side mounting frame 14 which are arranged parallel to each other with an interval between them.
, the gauze 1 stretched between these pair of mounting frames 12 and 14.
6. A pair of guide rods 18, 18, and movable side mounting frame 1
4 and a tension coil spring 20 attached to the spring.
一対の案内棒１８．１８は平行に配設されており５それ
ぞれ一端部が固定側取付枠体１２の両端部にそれぞれ嵌
挿されて、固着されている。尚、案内棒１８．１８の各
一端部と固定側取付枠体１２とは、案内棒１８．１８の
各他端部が後述する如く案内棒保持部２８に固定されて
いるため、固着せずに遊嵌状態にしておいても差し支え
ない。また、可動側取付枠体１４には、案内棒１８．１
８の他端側が貫挿されており、可動側取付枠体１４は、
軸受２２を介しその両端部において、固定側取付枠体１
２と平行をなすように案内棒１８．１８と摺動自在に係
合している。尚、可動側取付枠体１４が案内棒１８．１
８に摺接して滑らかに移動可能であれば。A pair of guide rods 18, 18 are arranged in parallel, and one end of each of the guide rods 5 is fitted into and fixed to both ends of the fixed side mounting frame 12, respectively. Note that each one end of the guide rod 18.18 and the fixed side mounting frame 12 are not fixed because each other end of the guide rod 18.18 is fixed to the guide rod holding part 28 as described later. There is no problem in leaving it in a loosely fitted state. In addition, the movable side mounting frame 14 includes a guide rod 18.1.
8 is inserted through the movable side mounting frame 14.
At both ends of the bearing 22, the fixed side mounting frame 1
The guide rod 18.18 is slidably engaged with the guide rod 18, parallel to the guide rod 2. Note that the movable side mounting frame 14 is connected to the guide rod 18.1.
If it can be moved smoothly by sliding in contact with 8.
可動側取付枠体１４に特に軸受を設ける必要はない、ま
た、紗１６は、ナイロンやポリエステル等の化学繊維、
或いはステンレススチール等の金属メツシュにより形成
されている。There is no particular need to provide a bearing on the movable side mounting frame 14, and the gauze 16 may be made of chemical fibers such as nylon or polyester,
Alternatively, it is formed from a metal mesh such as stainless steel.
以上の構成の紗枠１０を印刷機本体に取り付けるには、
まず、固定側取付枠体１２を機体に形成された枠体保持
部２４に固定ねじ２６によって固定する１次に、案内棒
１８．１８を可動側取付枠体１４に貫挿した状態で、一
方の先端部を固定側取付枠部１２に取付けるとともに、
他方の先端部を機体に形成された案内棒保持部２８に取
付けねじ３０によって固定する。そして、引張りコイル
ばね２０の一端を可動側取付枠体１４に、他端を機体の
固定部３２に固着する。この引張りコイルばね２０によ
り、可動側取付枠体１４は固定側取付枠体１２から離れ
る方向へ引っ張られ、紗１６に対しテンションが付与さ
れる。ここで、引張りコイルばね２０のばね力は、スク
リーン印刷に必要な紗テンションが与えられるように設
定されるが、紗１６のばね定数をＫｓ、引張りコイルば
ね２０のばね定数をＫとした場合、Ｋｓ≧にの条件を満
足するように引張りコイルばね２０のばね定数を設定す
る。勿論、Ｋ ｓ ＜ Ｋとなっても、この発明が成り
立たないという訳ではない。第１図及び第２図において
実線で示した状態が、印刷前における可動側゛取付枠体
１４及び紗１６の位置である。To attach the gauze frame 10 with the above configuration to the printing press body,
First, the fixed side mounting frame 12 is fixed to the frame holding part 24 formed on the fuselage with the fixing screw 26. Next, with the guide rod 18.18 inserted into the movable side mounting frame 14, one side is fixed. Attach the tip of the to the fixed side mounting frame 12, and
The other end portion is fixed to a guide rod holding portion 28 formed on the fuselage body using a mounting screw 30. Then, one end of the tension coil spring 20 is fixed to the movable side mounting frame 14, and the other end is fixed to the fixed part 32 of the machine body. The tension coil spring 20 pulls the movable mounting frame 14 in a direction away from the fixed mounting frame 12, and applies tension to the gauze 16. Here, the spring force of the tension coil spring 20 is set to give the gauze tension necessary for screen printing, but when the spring constant of the gauze 16 is Ks and the spring constant of the tension coil spring 20 is K, The spring constant of the tension coil spring 20 is set so as to satisfy the condition Ks≧. Of course, even if K s < K, this does not mean that this invention cannot be achieved. The state shown by solid lines in FIGS. 1 and 2 is the position of the movable side mounting frame 14 and the gauze 16 before printing.
次に、ステージ３４上に被印刷物３６を真空吸着等の手
段によって載置固定し、スクリーン印刷を行なう場合に
おける。可動側取付枠体１４及び紗１６の状態について
説明する。今、スキージ（図示せず）を紗１６の上面に
押し付けると、紗１６は被印刷物３６に接触して、第２
図に二点鎖線で示したように屈曲する。ここで、紗１６
が化学繊維により形成されているときは、紗１６は伸長
するが、それに伴って紗１６の張力が増す。その張力の
増加分によって、可動側取付枠体１４は、引張りコイル
ばね２０の力に抗して矢印方向へ案内棒１８．１８に沿
って僅かに移動し、二点鎖線で示した位置になる。この
ように可動側取付枠体１４が矢印方向に移動するため、
その移動距離分だけ紗１６の伸び量が少なくなる。そし
て、紗１６と引張りコイルばね２０とのばね定数をＫ
ｓ ＞ Ｋとし、かつその差を大きくすると、可動側取
付枠体１４の移動距離がより大きくなり、紗１６の伸び
量もそれだけ少なくなる。Next, in the case where the printing material 36 is mounted and fixed on the stage 34 by means such as vacuum suction, and screen printing is performed. The states of the movable side mounting frame 14 and the gauze 16 will be explained. Now, when a squeegee (not shown) is pressed against the top surface of the gauze 16, the gauze 16 comes into contact with the printing substrate 36, and the second
It is bent as shown by the two-dot chain line in the figure. Here, gauze 16
When the gauze 16 is made of chemical fiber, the gauze 16 stretches, but the tension of the gauze 16 increases accordingly. Due to the increased tension, the movable mounting frame 14 moves slightly along the guide rod 18.18 in the direction of the arrow against the force of the tension coil spring 20, and reaches the position shown by the two-dot chain line. . Since the movable mounting frame 14 moves in the direction of the arrow in this way,
The amount of elongation of the gauze 16 decreases by the distance traveled. Then, the spring constant of the gauze 16 and the tension coil spring 20 is K.
If s>K and the difference is increased, the moving distance of the movable attachment frame 14 becomes larger, and the amount of stretch of the gauze 16 is reduced accordingly.
また、紗１６が金属メツシュから形成されているときは
、紗の弾力性は極めて小さく、紗自体の伸び量が極めて
少ないため、紗１６が第２図に二点鎖線で示したように
屈曲すると、可動側取付枠体１４は、引張りコイルばね
２ｏの方に抗して紗１６により引っ張られて矢印方向へ
移動する。Furthermore, when the gauze 16 is made of metal mesh, the elasticity of the gauze is extremely low and the amount of elongation of the gauze itself is extremely small. , the movable mounting frame 14 is pulled by the gauze 16 against the tension coil spring 2o and moves in the direction of the arrow.
このように、可動側取付枠体１４が移動可能であるため
、紗１６自体の伸び量が極めて少なくても、ギャップを
大きく設定することができ、また紗１６は引張りコイル
ばね２０によってテンションを与えられているので、版
離れが良好である。In this way, since the movable mounting frame 14 is movable, the gap can be set large even if the amount of stretch of the gauze 16 itself is extremely small, and the gauze 16 is tensioned by the tension coil spring 20. Because of this, separation from the plate is good.
印刷を終えて、紗１６に対するスキージの押圧力を解除
すると、可動側取付枠体１４は、引張りコイルばね２０
の復元力によって矢印とは反対方向へ案内棒１８．１８
に沿って移動し１元の位置に復帰する。When printing is finished and the pressing force of the squeegee against the gauze 16 is released, the movable side mounting frame 14 releases the tension coil spring 20.
The restoring force causes the guide rod 18.18 to move in the opposite direction to the arrow.
1 and return to the original position.
この発明の構成は以上説明した通りであるが、この発明
の範囲は上記説明並びに図面の内容によって限定される
ものではなく、要旨を逸脱しない範囲で種々の変形例を
包含し得る６例えば、上記実施例では、取付枠体とガイ
ド手段である案内棒とを、取付枠体に貫通孔を穿設し、
その貫通孔に案内棒を挿通させることにより係合させて
いるが、案内棒を角棒とし、一方散付枠体の下面に溝を
形成して、その溝と角棒とを係合させるようにしてもよ
い、また、ガイド手段としては、その長手方向にガイド
溝が形成された棒状体でも良く、この場合には可動側取
付枠の両端を、ガイド溝に摺動可能に係合するように構
成すれば良い、また、各取付枠体の印刷機本体への固定
手段としては、ねじ止めに限らず。Although the configuration of the present invention is as described above, the scope of the present invention is not limited by the contents of the above description and drawings, and may include various modifications without departing from the gist. In the embodiment, the mounting frame and the guide rod serving as the guide means are connected by drilling a through hole in the mounting frame,
The engagement is achieved by inserting a guide rod into the through hole, but the guide rod is a square rod, and a groove is formed on the lower surface of the scattering frame, and the groove and the square rod are engaged. In addition, the guide means may be a rod-shaped body having a guide groove formed in its longitudinal direction, and in this case, the guide means may be a rod-shaped body having a guide groove formed in the longitudinal direction. Furthermore, the means for fixing each mounting frame to the printing press body is not limited to screws.
種々の方法をとり得る。さらに、引張りコイルばねの代
わりに圧縮コイルばねを使用し、その圧縮コイルばねを
案内棒の、面取付枠体間に巻装したり、印刷機本体の固
定部と可動側取付枠体間に介装したりするようにしても
よい。Various methods can be used. Furthermore, a compression coil spring can be used instead of a tension coil spring, and the compression coil spring can be wound between the surface mounting frame of the guide rod, or interposed between the fixed part of the printer main body and the movable mounting frame. It is also possible to mount it.
〔発明の効果〕 ４こ
の発明は以上説明したように構成されかつ作用するので
、この発明に係る紗枠をスクリーン印刷機にセットして
印刷を行なうときは、化学繊維製の紗を使用した場合に
おいて、紗枠の紗の永久伸びを最小限に抑えて版離れを
可及的に一定に保持することができるため、長期間にわ
たって印刷パターンの線幅の寸法精度を一定状態に維持
することができ、印刷物の品質が安定する。そして、弾
発手段のばね定数を紗のばね定数より小さく設定すると
きは、紗の寿命が延びる。[Effects of the Invention] 4. Since this invention is constructed and operates as explained above, when printing is performed by setting the gauze frame according to the present invention in a screen printing machine, it is possible to use gauze made of chemical fibers. , it is possible to minimize the permanent elongation of the gauze in the gauze frame and keep plate separation as constant as possible, making it possible to maintain the dimensional accuracy of the line width of the printed pattern at a constant state over a long period of time. The quality of printed matter is stable. When the spring constant of the elastic means is set to be smaller than the spring constant of the gauze, the life of the gauze is extended.
また、金属メツシュの紗を使用した場合においては、版
離れを良くするができるため、図形。In addition, when using metal mesh gauze, it is possible to improve the separation of the plates, so it is difficult to draw shapes.
パターンの累積寸法精度とともに、印刷パターンのＩＩ
Ａ幅の寸法精度も向上させることができ、印刷物の品質
を総合的に高めることができる。II of the printed pattern along with the cumulative dimensional accuracy of the pattern
The dimensional accuracy of the A width can also be improved, and the quality of printed matter can be improved overall.
しかも、この発明に係る紗枠においては、従来のコンビ
ネーシＪン方式の紗枠におけるような問題も生じない。Moreover, the gauze frame according to the present invention does not have the problems that occur in the conventional combination type gauze frame.
第１図は、この発明の１実施例に係る紗枠が取り付けら
れた印刷機本体の要部を示す平面図、第２図はその正面
図、第３図は、従来の紗枠の構成を示す平面図、第４図
は、従来の紗枠を使用してスクリーン印刷を行なうとき
の状態を示す模式側面図、第５図は、従来の紗枠の別の
構成例を示す平面図である。
１０・・・紗枠、 １２・・・固定側取付枠
体１４・・・可動側取付枠体、 １６・・・紗。
１８・・・案内棒、 ２０・・・引張りコイ
ルばね、２４・・・枠体保持部、 ２８・・・案内
棒保持部、３２・・・固定部。
第１図
第２図
第３図 第５図Fig. 1 is a plan view showing the main parts of a printing press body to which a gauze frame according to an embodiment of the present invention is attached, Fig. 2 is a front view thereof, and Fig. 3 shows the configuration of a conventional gauze frame. FIG. 4 is a schematic side view showing a state when screen printing is performed using a conventional gauze frame, and FIG. 5 is a plan view showing another configuration example of the conventional gauze frame. . DESCRIPTION OF SYMBOLS 10... Gauze frame, 12... Fixed side mounting frame body 14... Movable side mounting frame body, 16... Gauze. 18... Guide rod, 20... Tension coil spring, 24... Frame body holding part, 28... Guide rod holding part, 32... Fixing part. Figure 1 Figure 2 Figure 3 Figure 5
Claims (1)
付枠体と、各一端部が前記取付枠体のうちの一方の両端
部にそれぞれ係合もしくは係着されるとともに、前記取
付枠体のうちの他方の両端部とそれぞれ摺動自在に係合
した一対のガイド手段と、これらのガイド手段と摺動自
在に係合した前記取付枠体に取着される弾発手段とから
なる紗枠。 ２、弾発手段のばね定数が紗のばね定数より小さく設定
された請求項１記載の紗枠。 ３、請求項１又は２に記載の紗枠の取付枠体のうちの一
方を機体に形成された枠体保持部に固着するとともに、
前記紗枠の一対のガイド手段の各先端部を機体に形成さ
れたガイド手段保持部にそれぞれ固着し、前記ガイド手
段に摺動自在に係合した取付枠体に弾発手段を、前記紗
枠の紗に対し張力を付与する方向へその取付枠体を付勢
するよう取着してなるスクリーン印刷機。[Claims] 1. A pair of mounting frames disposed parallel to each other to stretch the gauze, and one end of each of the mounting frames engaging or engaging with both ends of one of the mounting frames. and a pair of guide means slidably engaged with the other end portions of the mounting frame, and attached to the mounting frame slidably engaged with these guide means. A gauze frame consisting of a means of firing. 2. The gauze frame according to claim 1, wherein the spring constant of the elastic means is set smaller than the spring constant of the gauze. 3. While fixing one of the mounting frames of the gauze frame according to claim 1 or 2 to a frame holding part formed on the fuselage,
Each tip of the pair of guide means of the gauze frame is fixed to a guide means holding portion formed on the fuselage body, and the elastic means is attached to the mounting frame slidably engaged with the guide means, and the elastic means is attached to the mounting frame that is slidably engaged with the guide means. A screen printing machine that is attached so that its mounting frame is biased in a direction that applies tension to the gauze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10831288A JPH0684068B2 (en) | 1988-04-30 | 1988-04-30 | Screen frame and screen printing machine using the screen frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10831288A JPH0684068B2 (en) | 1988-04-30 | 1988-04-30 | Screen frame and screen printing machine using the screen frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01278347A true JPH01278347A (en) | 1989-11-08 |
| JPH0684068B2 JPH0684068B2 (en) | 1994-10-26 |
Family
ID=14481522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10831288A Expired - Lifetime JPH0684068B2 (en) | 1988-04-30 | 1988-04-30 | Screen frame and screen printing machine using the screen frame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0684068B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7509909B2 (en) | 2002-06-13 | 2009-03-31 | Novatec Sa | Support system and method for a screen printing unit |
| CN104309283A (en) * | 2014-10-22 | 2015-01-28 | 杨炽瑜 | Automatic precision screen pulling machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551911A (en) * | 2019-01-24 | 2019-04-02 | 河南省防伪保密印刷公司（河南省邮电印刷厂） | Method for printing screen based on natural mineral powder |
-
1988
- 1988-04-30 JP JP10831288A patent/JPH0684068B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7509909B2 (en) | 2002-06-13 | 2009-03-31 | Novatec Sa | Support system and method for a screen printing unit |
| US8051772B2 (en) | 2002-06-13 | 2011-11-08 | Novatec Sa | Support system and method for a screen printing unit |
| CN104309283A (en) * | 2014-10-22 | 2015-01-28 | 杨炽瑜 | Automatic precision screen pulling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0684068B2 (en) | 1994-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6540822B2 (en) | Printing plate and printing device | |
| JPH01278347A (en) | Screen frame and screen printing machine using the same | |
| JPH0736748Y2 (en) | Screen printing plate | |
| JP2000147781A (en) | Screen mask, its production and wiring base board | |
| JP3202713U (en) | Screen printing version | |
| JPH0737134B2 (en) | Screen printing machine | |
| US5003870A (en) | Antistretch screen printing arrangement | |
| JP3087366B2 (en) | Printing machine, screen mask for printing machine, and printing method | |
| JPH06182967A (en) | Screen printing machine and scraper therefor | |
| JP2007090718A (en) | Combination printing plate and its fixture | |
| JPH0811453A (en) | Screen printing method and apparatus | |
| JPH0686116B2 (en) | Screen printing method and screen printing machine | |
| JP2001277744A (en) | Screen platemaking | |
| JP3293013B2 (en) | Metal squeegee | |
| JPH10315650A (en) | Combination plate for full additive printed circuit board | |
| GB2280147A (en) | Squeegee for screen printing | |
| JP2001047760A (en) | Large-sized plate | |
| JP2003112405A (en) | Back wiping squeegee of screen printing machine | |
| CN102328490A (en) | Table board expansion device of embossing machine | |
| JP3520375B2 (en) | Printing apparatus for flexible circuit board and method for manufacturing flexible circuit board using the same | |
| JP2000141934A (en) | Screen plate for printing thick film | |
| JPH10128949A (en) | Screen printing machine | |
| JPS58220884A (en) | Mesh fabric | |
| JPH10157070A (en) | Squeegee unit for screen printing machine | |
| JPS61104885A (en) | Stamp type screen printing machine |