JPH02297443A - Ink fountain - Google Patents

Ink fountain

Info

Publication number
JPH02297443A
JPH02297443A JP11724989A JP11724989A JPH02297443A JP H02297443 A JPH02297443 A JP H02297443A JP 11724989 A JP11724989 A JP 11724989A JP 11724989 A JP11724989 A JP 11724989A JP H02297443 A JPH02297443 A JP H02297443A
Authority
JP
Japan
Prior art keywords
ink
roller
dipping roller
level
dipping
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
Application number
JP11724989A
Other languages
Japanese (ja)
Other versions
JPH0832445B2 (en
Inventor
Koichi Yoshida
光一 吉田
Kenji Kusunoki
楠 賢二
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.)
Tokyo Kikai Seisakusho Co Ltd
Original Assignee
Tokyo Kikai Seisakusho Co Ltd
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 Tokyo Kikai Seisakusho Co Ltd filed Critical Tokyo Kikai Seisakusho Co Ltd
Priority to JP1117249A priority Critical patent/JPH0832445B2/en
Priority to US07/521,234 priority patent/US5280750A/en
Publication of JPH02297443A publication Critical patent/JPH02297443A/en
Publication of JPH0832445B2 publication Critical patent/JPH0832445B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

PURPOSE:To prevent variation of an ink supply amount of comparatively high viscous ink by a method wherein a medium plate equipped with an interconnecting part of a notch and/or a pore, a hole, etc., at a position becoming lower than an ink reservoir level or a position extending from an upper position to a lower position is established by raising it higher than the ink reservoir level. CONSTITUTION:An ink reservoir 2 is equipped with a medium plate 3 which is made similar to an outside form of a section of a dipping roller R1 at a position near a peripheral surface of the dipping roller R1 on a side where the dipping roller R1 gets out from the ink by rotation. When the ink is reserved almost to a constant level, a top of this medium plate 3 is made project from an ink surface and besides, at least a part dipped in the ink is equipped with an interconnecting part 4 of a notch or/and a pore, a hole, etc. Therefore, when the dipping roller R1 is rotated and the ink stuck to the peripheral surface is introduced out, the ink is supported with the medium plate 3 and the peripheral surface of the dipping roller, and an ink level is pushed up. Variation of an ink supply amount of high viscous ink is thus prevented.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、輪転印刷機のインキ供給装置におけるイン
キファウンテンに関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an ink fountain in an ink supply device of a rotary printing press.

〔従来の技術〕[Conventional technology]

インキファウンテンについては、特公昭35−1286
2号公報、特公昭3Q−5717号公報、特公昭59−
393号公報に示されるものか公知である。
Regarding the ink fountain, the
Publication No. 2, Special Publication No. 3Q-5717, Special Publication No. 59-
The one shown in Japanese Patent No. 393 is well known.

これら公知のインキファウンテンは、別途設けたインキ
タンクから供給される消費量を上回る量のインキの過剰
分を中仕切からオーバーフローさせて、インキファウン
テン内に貯留するインキ量を常時一定量に保つよう構成
されている。そして、その貯留レベルは、インキファウ
ンテン内のインキに浸漬して回転するローラーの端軸よ
り下位となるようにしている。
These known ink fountains are configured so that the excess amount of ink that exceeds the consumption amount supplied from a separately provided ink tank overflows from a partition, and the amount of ink stored in the ink fountain is always maintained at a constant amount. has been done. The storage level is set to be lower than the end shaft of the roller that rotates while being immersed in the ink in the ink fountain.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

以上記載の通り、従来のインキファウンテンは、インキ
の貯留レベルを、インキファウンテン内のインキに浸漬
した状態で回転するローラーの端軸より下位に保つよう
にしているので、前記ローラー周面の半分以下の部分し
かインキファウンテン内のインキに浸漬しておらず、こ
のローラーのインキに浸漬している周面に付着して、ロ
ーラーの回転に従って導き田されるインキは、このロー
ラーに当接または近接する下流側ローラーに到る間に、
機械的な振動等何らかの影響でローラー周面を滑落する
ことがあり、このために、前記下流側ローラーに対する
インキ供給量にばらつきを生じせしめ、印刷品質を一定
に保ち得なかった。また、最悪には、印刷に必要かつ十
分な量のインキを供給し得ない場合があった。そして、
こうした不都合は、粘性の比較的高いインキを使用する
とともに湿し水を使用する平版印刷において、湿し水が
インキ供給経路に侵入した状態のときにより多く発生し
た。
As described above, in conventional ink fountains, the ink storage level is kept below the end axis of the roller that rotates while immersed in ink in the ink fountain, so that it is less than half of the circumferential surface of the roller. Only this part is immersed in ink in the ink fountain, and the ink that adheres to the ink-immersed peripheral surface of this roller and is guided as the roller rotates comes into contact with or close to this roller. While reaching the downstream roller,
The ink may slide down the circumferential surface of the roller due to some influence such as mechanical vibration, which causes variations in the amount of ink supplied to the downstream roller, making it impossible to maintain constant printing quality. Furthermore, in the worst case, it may not be possible to supply a sufficient amount of ink necessary for printing. and,
These inconveniences occur more often in lithographic printing that uses ink with relatively high viscosity and dampening water, when the dampening water has entered the ink supply path.

この発明は前記課題を解決するためになされたもので、
インキファウンテン内のインキをこのインキ内に一部を
浸漬した浸漬ローラーを回転して導き出すインキ供給に
おいて、浸漬ローラー周面がインキを抜け出てから下流
側ローラーへの供給位置までの変位行程が短くなり、こ
の間での浸漬ローラーからのインキの滑落頻度を著しく
減少し、かつ、万一滑落が発生してもその復旧が速やか
に行われるので、下流側ローラーに対するインキ供給量
のばらつきを、印刷品質に影響をおよぼさない程度まで
小さくすることができ、また、浸漬ローラー周面と中板
との間の空間でのインキ面の盛り上かり上昇は、粘性の
高いインキ程良好であり、これまで不都合の多かった比
較的粘性の高いインキを使用するとともに湿し水を使用
する平版印刷において、より良い効果が得られるインキ
ファウンテンを提供することを目的とするものである。
This invention was made to solve the above problems,
When supplying ink in an ink fountain by rotating a dipping roller that is partially immersed in the ink, the displacement distance from when the peripheral surface of the dipping roller exits the ink to the supply position to the downstream roller is shortened. During this time, the frequency of ink slipping from the immersion roller is significantly reduced, and even if slipping occurs, it can be quickly recovered, so variations in the amount of ink supplied to the downstream roller can be reduced, resulting in improved print quality. In addition, the higher the viscosity of the ink, the better the rise in the ink surface in the space between the circumferential surface of the dipping roller and the intermediate plate. The purpose of this invention is to provide an ink fountain that can obtain better effects in planographic printing that uses relatively high viscosity ink and dampening water, which has been disadvantageous.

〔課題を解決するための手段〕[Means to solve the problem]

上記目的を達するために、本発明に係るインキファウン
テンは、インキファウンテン内のインキに浸漬したロー
ラーを回転し、このローラー周面によってインキを導き
出すインキ供給装置において、回転によってインキから
抜け出す側のローラー周面近傍位置に、インキ貯留レベ
ルより下位となる位置またはインキ貯留レベルより上位
から下位に及ぶ位置に切欠または/および孔穴等の連通
部を具備した中板を、インキ貯留レベルより高くして設
けた構成となっている。
In order to achieve the above object, an ink fountain according to the present invention includes an ink supply device that rotates a roller immersed in ink in the ink fountain and draws out ink using the roller circumferential surface. An intermediate plate is provided in the vicinity of the ink storage level and has communication parts such as notches and/or holes at positions below the ink storage level or positions ranging from above to below the ink storage level, and is provided at a position higher than the ink storage level. The structure is as follows.

〔作 用〕[For production]

前記構成によれば、インキファウンテン内のインキに浸
漬しているローラー(以下、「浸漬ローラー」と筆る。
According to the above configuration, the roller (hereinafter referred to as "immersion roller") is immersed in ink in the ink fountain.

)が回転し、周面に付着したインキを導き出す。導き出
されたインキは、浸漬ローラーのインキから抜け出す側
の周面近傍位置に設けた中板と浸漬ローラー周面とに支
えられて、両者が構成する空間を満たしながらこの空間
におけるインキレベルを押しあげて上昇せしめる。
) rotates and draws out the ink adhering to the surrounding surface. The drawn out ink is supported by the intermediate plate provided near the circumferential surface of the dipping roller on the side from which the ink comes out and the circumferential surface of the dipping roller, and fills the space formed by both, pushing up the ink level in this space. and let it rise.

従って、浸漬ローラーの回転中は、浸漬ローラーのイン
キから抜け出す側の周面に対し、貯留レベルの高いイン
キに浸漬しているのと同様の状態を提供する。
Therefore, while the immersion roller is rotating, the circumferential surface of the immersion roller on the side that comes out of the ink is provided with a state similar to that of being immersed in ink with a high storage level.

また、この作用は、粘性の高いインキを使用する場合に
より顕著となる。
Furthermore, this effect becomes more pronounced when using highly viscous ink.

〔実 施 例〕〔Example〕

次にこの発明について、図示した実施例を参照しながら
説明する。
The invention will now be described with reference to illustrated embodiments.

インキファウンテン1は、浸漬ローラーR1を浸漬する
ためのインキを略一定レベルに保って貯留し得るインキ
貯留部2を有し、インキ貯留部2は、浸漬ローラーR1
が回転してインキから抜け出す側の浸漬ローラーR1の
周面と接近する位置に、浸漬ローラーR]の断面外形に
近似させた中板3を具備する。この中板3は、浸漬ロー
ラーR1の周面の長手方向にそって、インキ供給すべき
刷版面長さΩよりも若干長く、かつ、インキを前記略一
定レベルまで貯留したときにその先端がインキ面から突
出するようにするとともに、少なくともインキに没する
部分に切欠きまたは/および孔穴等の連通部4を具備し
ている。また、中板3の両側端部をインキファウンテン
1の外壁内側に当接させて設けるときは、中板3を伝っ
てインキがインキファウンテン1の外側に流出するのを
未然に防止する意味で、第5図に示すように、中板3の
両側端の高さをインキファウンテン1の外壁高さよりも
低くするのが好ましい。
The ink fountain 1 has an ink storage section 2 that can store ink for dipping the dipping roller R1 while keeping it at a substantially constant level.
An intermediate plate 3 having a cross-sectional shape similar to that of the dipping roller R is provided at a position approaching the circumferential surface of the dipping roller R1 on the side where the dipping roller R1 rotates and comes out of the ink. This intermediate plate 3 is slightly longer than the length Ω of the printing plate surface to which ink is to be supplied along the longitudinal direction of the circumferential surface of the immersion roller R1, and when the ink is stored to the above-mentioned approximately constant level, the tip thereof is It is made to protrude from the surface and is provided with a communication portion 4 such as a notch or/and a hole at least in a portion immersed in ink. In addition, when providing both ends of the middle plate 3 in contact with the inner side of the outer wall of the ink fountain 1, in order to prevent ink from flowing out to the outside of the ink fountain 1 along the middle plate 3, As shown in FIG. 5, it is preferable that the height of both ends of the intermediate plate 3 be lower than the height of the outer wall of the ink fountain 1.

尚、インキ貯留部2に貯留するインキレベルを略一定に
保つ手段としては、第1図、第3図及び第4図に示すよ
うに、インキファウンテン1内にインキ貯留部2とイン
キ排出部5とを仕切る中仕切6をインキファウンテン1
の外壁より低く設け、インキ貯留部2にインキ補給部I
から常時インキを補給するとともに、中仕切6をオーバ
ーフローしたインキをインキ排出部5から排出し回収再
補給するようにして良く、また、第7図に示すように、
レベルセンサーSによってインキレベルを検出し、イン
キ補給部Iからのインキ補給を、あらかじめ定めたイン
キレベルの下限と上限の検出にあわせて断続的に行うよ
うにしても良く、あるいは、両者を併用する等、他の適
宜な手段によっても良い。
As a means for keeping the ink level stored in the ink reservoir 2 substantially constant, as shown in FIGS. Ink fountain 1
The ink supply part I is provided in the ink storage part 2 lower than the outer wall of the ink supply part I.
In addition to constantly replenishing ink from the inner partition 6, ink that has overflowed the inner partition 6 may be discharged from the ink discharge section 5 to be collected and resupplied, and as shown in FIG.
The ink level may be detected by the level sensor S, and the ink replenishment from the ink supply section I may be performed intermittently according to the detection of predetermined lower and upper limits of the ink level, or both may be used in combination. Other suitable means may also be used.

前記インキファウンテン1によるインキ供給は次の通り
である。
The ink supply by the ink fountain 1 is as follows.

インキファウンテン1は、インキを貯留したときに浸漬
ローラーR1の一部がインキ内に浸漬するように、図示
しない印刷機に適宜に組み込まれる。この状態において
、浸漬ローラー旧を、第4図中に矢印で示すように回転
する。すると、浸漬ローラーR1のインキ内に浸漬した
周面に付着したインキは、浸漬ローラーR]の回転に従
って周面に付着したまま導き出され、浸漬ローラーR1
の下流側にあって浸漬ローラーR1と当接または近接す
る下流側ローラーR2に供給転移されるわけであるが、
浸漬ローラーR1がインキから抜け出す位置では、イン
キが浸漬ローラーR1によりエンドレスに導き出される
ために盛りあがり、やがてその裾部が浸漬ローラーR1
周面に接近している中板3に達し、浸漬ローラーR1周
面と中板3との間の空間に、浸漬ローラーR1の回転に
よって上向きに変位する周面と中板3とに支えられた、
他よりも高くなった新たなインキ面が形成される。この
新たなインキ面の形成が連続されると、例えば、第4図
に示すように新たなインキ面は中板3の先端部にまで達
し、浸漬ローラーR1のインキから抜け出す側の周面は
、インキ貯留部2の正規の貯留面より高い位置までイン
キに浸漬されている状態となり、このインキ浸漬状態か
ら抜け出した後下流側ローラーR2ヘインキを供給転移
位置に達するまでの周面の変位行程が短くなる。従って
、この間における浸漬ローラー周面からのインキの滑落
頻度が著しく減少し、かつ、万一インキが滑落しても、
その滑落距離が小さいので速やかな復旧がなされる。
The ink fountain 1 is appropriately incorporated into a printing press (not shown) so that a portion of the immersion roller R1 is immersed in the ink when ink is stored. In this state, the dipping roller is rotated as shown by the arrow in FIG. Then, the ink adhering to the circumferential surface of the dipping roller R1 immersed in the ink is guided out while remaining attached to the circumferential surface as the dipping roller R rotates, and the ink adheres to the circumferential surface of the dipping roller R1.
It is supplied to the downstream roller R2 which is in contact with or close to the immersion roller R1 and is transferred to the downstream side of the immersion roller R1.
At the position where the dipping roller R1 comes out of the ink, the ink swells up because it is endlessly led out by the dipping roller R1, and eventually the bottom part of the ink bulges out from the dipping roller R1.
The intermediate plate 3, which is close to the circumferential surface, is reached and is supported by the circumferential surface and the intermediate plate 3, which is displaced upward by the rotation of the dipping roller R1, in the space between the circumferential surface of the dipping roller R1 and the intermediate plate 3. ,
A new ink surface is formed which is higher than the others. When this formation of the new ink surface continues, for example, as shown in FIG. The ink storage part 2 is immersed in ink to a higher level than the normal storage surface, and after coming out of this ink immersion state, the downstream roller R2 has a short displacement stroke of the peripheral surface until it reaches the ink supply transfer position. Become. Therefore, during this period, the frequency of ink slipping off the periphery of the immersion roller is significantly reduced, and even if the ink does slip off,
Since the distance of the fall is short, recovery can be done quickly.

他方、中板3は、これの下端部かインキ貯留部2の正規
のインキ貯留レベルより下位に位置され、このインキ貯
留レベルより下位となる位置、またはインキ貯留レベル
より上部から下位に及ぶ位置に、切欠きまたは/および
孔穴等の連通部4を具備しており、インキ補給部Iから
補給されるインキの流動をほとんど妨げないので、前記
浸漬ローラー1の回転作動の有無やインキの流動性のよ
しあしにあまり影響されることなく、浸漬ローラー1の
回転中における浸漬ローラー1と中板3との間の空間を
除いて、インキファウンテン1のインキ貯留部2全体の
インキ貯留レベルに著しい高低差を生ずるようなことは
ない。
On the other hand, the middle plate 3 is located at its lower end or below the regular ink storage level of the ink storage section 2, and is located at a position below this ink storage level, or at a position ranging from above to below the ink storage level. , a communication part 4 such as a notch and/or a hole, and hardly impedes the flow of ink replenished from the ink supply part I, so it is not difficult to determine whether or not the immersion roller 1 is rotating or not, and the fluidity of the ink. It is possible to make a significant height difference in the ink storage level of the entire ink storage part 2 of the ink fountain 1, excluding the space between the immersion roller 1 and the intermediate plate 3 while the immersion roller 1 is rotating, without being affected by the foot. It will never happen.

この発明は、以上記載の実施例に局限されるものではな
く、特許請求の範囲を逸脱しない設計上の改変を含むも
のである。
The present invention is not limited to the embodiments described above, but may include modifications in design without departing from the scope of the claims.

〔発明の効果〕〔Effect of the invention〕

以上記載の通りなので、この発明の実施により、インキ
ファウンテン内のインキをこのインキ内に一部を浸漬し
た浸漬ローラーを回転して導き出すインキ供給において
、浸漬ローラー周面がインキを抜け出てから下流側ロー
ラーへの供給位置までの変位行程か短くなり、この間で
の浸漬ローラーからのインキの滑落頻度を著しく減少し
、かつ、万一滑落が発生してもその復旧が速やかに行わ
れるので、下流側ローラーに対するインキ供給量のばら
つきを、印刷品質に影響をおよぼさない程度まで小さく
することかできた。
As described above, by carrying out the present invention, in ink supply in which ink in an ink fountain is guided out by rotating a dipping roller partially immersed in this ink, the peripheral surface of the dipping roller passes through the ink and then the downstream side The displacement distance to the supply position to the roller is shortened, and the frequency of ink slipping from the immersion roller during this period is significantly reduced, and even if slipping occurs, it can be quickly recovered, so the downstream side We were able to reduce variations in the amount of ink supplied to the rollers to the extent that they did not affect print quality.

また、浸漬ローラー周面と中板との間の空間でのインキ
面の盛り上がり上昇は、粘性の高いインキ程良好であり
、これまで不都合の多かった比較的粘性の高いインキを
使用するとともに湿し水を使用する平版印刷において、
より良い効果か得られた。
In addition, the higher the viscosity of the ink, the better the swelling of the ink surface in the space between the peripheral surface of the dipping roller and the intermediate plate. In lithographic printing using water,
I could have gotten better results.

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの発明のひとつの実施例であるインキファウ
ンテンを示す概略図、第2図は第1図中のA−Aに沿う
断面矢視図、第3図と第4図は第1図中のB−Bに沿う
断面矢視図で、第3図は浸漬ローラーか停止中のものを
示し、第4図は浸漬ローラーが回転中のものを示す。第
5図、第6図は第2図同様矢視による第2図とは異なる
中板の実施例を示す図、第7図は第1図乃至第4図に示
す実施例とは異なるインキファウンテンを第3図、第4
図と同様の矢視により示した図である。 1はインキファウンテン、2はインキ貯留部、3は中板
、4は連通部、5はインキ排出部、6は中仕切、■はイ
ンキ補給部、R1は浸漬ローラー、R2は下流側ローラ
ー、Sはレベルセンサー、pは刷版面長さ。
Fig. 1 is a schematic diagram showing an ink fountain which is an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along line A-A in Fig. 1, and Figs. FIG. 3 shows the dipping roller at rest, and FIG. 4 shows the dipping roller rotating. 5 and 6 are views showing an embodiment of the intermediate plate different from that shown in FIG. 2, as seen from the arrows in the same way as in FIG. 2, and FIG. 7 shows an ink fountain different from the embodiment shown in FIGS. 1 to 4. Figures 3 and 4
It is a figure shown by the same arrow direction as the figure. 1 is an ink fountain, 2 is an ink storage part, 3 is an intermediate plate, 4 is a communication part, 5 is an ink discharge part, 6 is a partition, ■ is an ink supply part, R1 is a dipping roller, R2 is a downstream roller, S is the level sensor, and p is the length of the printing plate surface.

Claims (1)

【特許請求の範囲】 インキファウンテン内のインキに浸漬したローラーを回
転し、このローラー周面によってインキを導き出すイン
キ供給装置において、 回転によってインキから抜け出す側のローラー周面近傍
位置に、インキ貯留レベルより下位となる位置またはイ
ンキ貯留レベルより上位から下位に及ぶ位置に切欠また
は/および孔穴等の連通部を具備した中板を、インキ貯
留レベルより高くして 設けたことを特徴とするインキファウンテン。
[Scope of Claims] In an ink supply device that rotates a roller immersed in ink in an ink fountain and draws out ink using the roller circumferential surface, an ink supply device is provided at a position near the roller circumferential surface on the side where the ink comes out of the ink due to rotation, from an ink storage level. An ink fountain characterized by having a middle plate provided with communication parts such as notches and/or holes at a lower position or a position ranging from above to below the ink storage level, and provided at a level higher than the ink storage level.
JP1117249A 1989-05-11 1989-05-12 Ink fountain Expired - Fee Related JPH0832445B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1117249A JPH0832445B2 (en) 1989-05-12 1989-05-12 Ink fountain
US07/521,234 US5280750A (en) 1989-05-11 1990-05-09 Ink fountain apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1117249A JPH0832445B2 (en) 1989-05-12 1989-05-12 Ink fountain

Publications (2)

Publication Number Publication Date
JPH02297443A true JPH02297443A (en) 1990-12-07
JPH0832445B2 JPH0832445B2 (en) 1996-03-29

Family

ID=14707084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1117249A Expired - Fee Related JPH0832445B2 (en) 1989-05-11 1989-05-12 Ink fountain

Country Status (1)

Country Link
JP (1) JPH0832445B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5303649A (en) * 1991-08-13 1994-04-19 Koenig & Bauer Aktiengesellschaft Ink container
JP2018051482A (en) * 2016-09-29 2018-04-05 日新製鋼株式会社 Roll coater

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0183545U (en) * 1987-11-25 1989-06-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0183545U (en) * 1987-11-25 1989-06-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5303649A (en) * 1991-08-13 1994-04-19 Koenig & Bauer Aktiengesellschaft Ink container
JP2018051482A (en) * 2016-09-29 2018-04-05 日新製鋼株式会社 Roll coater

Also Published As

Publication number Publication date
JPH0832445B2 (en) 1996-03-29

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