JPH05261887A - Plate cylinder or printing machine - Google Patents
Plate cylinder or printing machineInfo
- Publication number
- JPH05261887A JPH05261887A JP6042192A JP6042192A JPH05261887A JP H05261887 A JPH05261887 A JP H05261887A JP 6042192 A JP6042192 A JP 6042192A JP 6042192 A JP6042192 A JP 6042192A JP H05261887 A JPH05261887 A JP H05261887A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- plate
- printing
- printing plate
- cylinders
- 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.)
- Pending
Links
Landscapes
- Rotary Presses (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、印刷機の版胴に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate cylinder of a printing machine.
【０００２】[0002]
【従来の技術】図５（ａ）に示すように、圧胴１と版胴
２との間に連続紙Ｐを挿通し、この連続紙Ｐを版胴２の
周速と等しい速度で移動させて連続紙Ｐに絵柄を等間隔
に印刷する印刷装置、あるいは、図５（ｂ）に示すよう
に、版胴２のインキ像をブランケット胴３に転写し、そ
のブランケット胴３のインキ像を連続紙Ｐに印刷する印
刷装置においては、印刷版を固定する版胴２が単一のも
のから成っている。2. Description of the Related Art As shown in FIG. 5A, a continuous paper P is inserted between an impression cylinder 1 and a plate cylinder 2, and the continuous paper P is moved at a speed equal to the peripheral speed of the plate cylinder 2. A printing device that prints patterns on the continuous paper P at equal intervals, or, as shown in FIG. 5B, the ink image of the plate cylinder 2 is transferred to the blanket cylinder 3 and the ink image of the blanket cylinder 3 is continuously printed. In the printing apparatus for printing on the paper P, the plate cylinder 2 for fixing the printing plate is made of a single one.
【０００３】[0003]
【発明が解決しようとする課題】ところで、印刷物の絵
柄は大小さまざまなものがあり、その絵柄の大きさに応
じて印刷版の長さも異なるため、版胴が単胴から成る印
刷装置においては、印刷版の長さに応じて径の異なる数
種類の版胴を用意する必要があり、経済性に問題があ
る。By the way, there are various patterns of printed matter, and the length of the printing plate also differs depending on the size of the pattern. Therefore, in a printing apparatus in which the plate cylinder is a single cylinder, Since it is necessary to prepare several types of plate cylinders having different diameters depending on the length of the printing plate, there is a problem in economic efficiency.
【０００４】また、印刷版の長さに応じて版胴を取り替
える必要があるため、段取りに時間がかかる不都合があ
る。Further, since it is necessary to replace the plate cylinder according to the length of the printing plate, there is an inconvenience that the setup takes time.
【０００５】この発明は上記の不都合を解消し、印刷機
の経済性を高め、段取り時間の短縮化を図ることを技術
的課題としている。It is a technical object of the present invention to eliminate the above-mentioned inconvenience, improve the economical efficiency of the printing press, and shorten the setup time.
【０００６】[0006]
【課題を解決するための手段】上記の課題を解決するた
めに、この発明においては、平行に配置された複数のシ
リンダを有し、少なくとも１本のシリンダを他のシリン
ダに対して位置調整自在に設け、各シリンダの外周両端
部に可撓性を有するループ状印刷版の両側部に設けられ
た送り用の孔に対して係合可能な送りピンを周方向に等
間隔に設けた構成を採用したのである。In order to solve the above-mentioned problems, the present invention has a plurality of cylinders arranged in parallel, and at least one cylinder can be positionally adjusted with respect to other cylinders. And a feed pin that is engageable with feed holes provided on both sides of the loop-shaped printing plate having flexibility on both outer peripheral ends of each cylinder is provided at equal intervals in the circumferential direction. It was adopted.
【０００７】[0007]
【作用】上記の構成から成る版胴は、各シリンダの外側
にループ状の印刷版をかけ、その印刷版に予め設けられ
た送り用の孔に送りピンを係合し、かつ移動自在に設け
られたシリンダを他のシリンダから離反する方向に移動
させて印刷版にテンションを付与し、各シリンダの回転
により印刷版を移動させて印刷を行なう。In the plate cylinder having the above-mentioned structure, a loop printing plate is placed on the outside of each cylinder, and a feed pin is engaged with a feed hole provided in advance in the printing plate and is provided movably. The cylinder is moved in a direction away from other cylinders to apply tension to the printing plate, and the rotation of each cylinder moves the printing plate to perform printing.
【０００８】[0008]
【実施例】以下、この発明の実施例を添付図面に基づい
て説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings.
【０００９】図１は、多色刷の輪転印刷機を示し、一方
向に移送される連続紙Ｐの移送路には複数の印刷ユニッ
トＵ1 、Ｕ2 が設けられている。FIG. 1 shows a rotary printing machine for multicolor printing, in which a plurality of printing units U 1 and U 2 are provided in a transfer path of a continuous paper P which is transferred in one direction.
【００１０】各印刷ユニットＵ1 、Ｕ2 は、図２に示す
ように、圧胴１０と版胴１１から成る。版胴１１は、２
本の平行に配置された第１シリンダ１２と第２シリンダ
１３とから成り、第１シリンダ１２は版胴１１上におい
て固定の配置とされ、一方、第２シリンダ１３はその第
１シリンダ１２に対して移動自在に支持されている。Each of the printing units U 1 and U 2 comprises an impression cylinder 10 and a plate cylinder 11, as shown in FIG. Plate cylinder 11 is 2
It consists of a first cylinder 12 and a second cylinder 13 arranged in parallel in a book, the first cylinder 12 being in a fixed arrangement on the plate cylinder 11, while the second cylinder 13 is relative to the first cylinder 12. It is movably supported.
【００１１】ここで、第２シリンダ１３を移動自在に支
持するため、実施例では、第２シリンダ１３の両側に軸
受箱１４を設け、この軸受箱１４に第１シリンダ１２に
向くガイド部１５を形成し、このガイド部１５に沿って
スライド自在に支持された軸受１６で第２シリンダ１３
のシリンダ軸１７を回転自在に支持し、上記軸受１６を
図示省略したねじ軸の回転によって移動させるようにし
ている。Here, in order to movably support the second cylinder 13, in the embodiment, bearing boxes 14 are provided on both sides of the second cylinder 13, and a guide portion 15 facing the first cylinder 12 is provided in the bearing box 14. The second cylinder 13 is formed by a bearing 16 that is formed and is slidably supported along the guide portion 15.
The cylinder shaft 17 is rotatably supported and the bearing 16 is moved by the rotation of a screw shaft (not shown).
【００１２】第１シリンダ１２と第２シリンダ１３の外
側にはループ状の印刷版１８がかけられている。A loop-shaped printing plate 18 is hung on the outside of the first cylinder 12 and the second cylinder 13.
【００１３】印刷版１８は可撓性を有し、その両側には
送り用の孔１９が等間隔に形成され、一方、第１シリン
ダ１２および第２シリンダ１３の外周両端部には上記孔
１９に対して係合する送りピン２０が周方向に等間隔に
形成されている。The printing plate 18 is flexible, and feed holes 19 are formed at equal intervals on both sides of the printing plate 18. On the other hand, the holes 19 are formed at both outer peripheral ends of the first cylinder 12 and the second cylinder 13. The feed pins 20 that engage with are formed at equal intervals in the circumferential direction.
【００１４】図２において、２１は、印刷版１８にイン
キを供給するインキ供給装置を示す。In FIG. 2, reference numeral 21 denotes an ink supply device for supplying ink to the printing plate 18.
【００１５】いま、第１シリンダ１２と第２シリンダ１
３間にループ状の印刷版１８が装着された状態におい
て、第１シリンダ１２を回転すると、送りピン２０と孔
１９との係合によって印刷版１８が移動する。Now, the first cylinder 12 and the second cylinder 1
When the first cylinder 12 is rotated while the loop-shaped printing plate 18 is mounted between the three, the printing plate 18 moves due to the engagement of the feed pin 20 and the hole 19.
【００１６】このため、図２の矢印方向に連続紙Ｐを移
動させ、その連続紙Ｐと同速で圧胴１０を回転させると
共に印刷版１８を移動させることにより、印刷版１８の
インキ像を連続紙Ｐに連続して印刷することができる。Therefore, by moving the continuous paper P in the direction of the arrow in FIG. 2, rotating the impression cylinder 10 at the same speed as the continuous paper P, and moving the printing plate 18, the ink image of the printing plate 18 is formed. It is possible to print continuously on the continuous paper P.
【００１７】印刷物の変更に際しては、第２シリンダ１
３を第１シリンダ１２に向けて移動して印刷版１８を弛
め、使用後の印刷版１８を取外したのち、次に使用する
印刷版１８を第１シリンダ１２と第２シリンダ１３間に
かけ渡し、送りピン２０を孔１９に係合させたのち、第
２シリンダ１３を第１シリンダ１２から離反する方向に
移動させて印刷版１８にテンションを付与する。When changing the printed matter, the second cylinder 1
3 is moved toward the first cylinder 12 to loosen the printing plate 18, the used printing plate 18 is removed, and the printing plate 18 to be used next is passed over between the first cylinder 12 and the second cylinder 13. After engaging the feed pin 20 with the hole 19, the second cylinder 13 is moved in a direction away from the first cylinder 12 to apply tension to the printing plate 18.
【００１８】このように、第２シリンダ１３は第１シリ
ンダ１２に対して移動自在に設けられているため、第１
シリンダ１２と第２シリンダ１３間に任意長さのループ
状印刷版１８をかけ渡すことができ、印刷物の変更によ
って印刷版１８の長さが変更になった場合でも版胴１１
を取り替える必要がなく、きわめて短時間に段取り作業
を行なうことができる。As described above, since the second cylinder 13 is provided so as to be movable with respect to the first cylinder 12,
A loop printing plate 18 of an arbitrary length can be laid over between the cylinder 12 and the second cylinder 13, and even when the length of the printing plate 18 changes due to a change in the printed matter, the plate cylinder 11
The setup work can be performed in an extremely short time without the need to replace.
【００１９】実施例の場合は、第１シリンダ１２と第２
シリンダ１３の２本のシリンダで版胴１１を形成した
が、シリンダの数は２本以上あればよい。３本以上のシ
リンダで版胴を形成する場合は、少なくとも１本のシリ
ンダを他のシリンダに対して移動自在に設けるようにす
る。In the case of the embodiment, the first cylinder 12 and the second cylinder 12
Although the plate cylinder 11 is formed of two cylinders 13, the number of cylinders may be two or more. When the plate cylinder is formed of three or more cylinders, at least one cylinder is provided so as to be movable with respect to the other cylinders.
【００２０】また、実施例では、印刷版１８のインキ像
を連続紙Ｐに直接印刷する形式の印刷機にこの発明に係
る版胴を組込むようにしたが、図４に示すように、印刷
版１８のインキ像をブランケット胴２２に転写し、その
ブランケット胴２２のインキ像を連続紙に印刷する形式
の印刷機に組込むようにしてもよい。この場合、ブラン
ケット胴２２は、版胴１２と同様に複数のシリンダ２３
ａ、２３ｂで形成し、各シリンダ２３ａ、２３ｂ間にル
ープ状のブランケット２４をかけ渡すようにする。Further, in the embodiment, the plate cylinder according to the present invention is incorporated in the printing machine of the type in which the ink image of the printing plate 18 is directly printed on the continuous paper P. However, as shown in FIG. The ink image of 18 may be transferred to the blanket cylinder 22, and the ink image of the blanket cylinder 22 may be incorporated in a printing machine of a type that prints on continuous paper. In this case, the blanket cylinder 22 has a plurality of cylinders 23 similar to the plate cylinder 12.
a, 23b, and a loop-shaped blanket 24 is bridged between the cylinders 23a, 23b.
【００２１】[0021]
【発明の効果】以上のように、この発明に係る版胴にお
いては、平行に位置された複数のシリンダのうち、少な
くとも１本のシリンダを他のシリンダに対して移動自在
に設けたので、複数のシリンダの外側に任意の長さのル
ープ状印刷版をかけ渡すことができる。このため、印刷
版の長さに応じて多種類の版胴を用意する必要がなく、
経済的である。As described above, in the plate cylinder according to the present invention, among the plurality of cylinders positioned in parallel, at least one cylinder is provided movably with respect to the other cylinders. A loop printing plate of any length can be laid over the outside of the cylinder. Therefore, it is not necessary to prepare many types of plate cylinders according to the length of the printing plate,
It is economical.
【００２２】また、印刷物の変更によって印刷版の長さ
が変更になった場合でも移動自在に設けられたシリンダ
を移動させることによって印刷版のかけ外しが行なえる
ため、版胴を取り替える場合に比較して段取り作業時間
の短縮化を図ることができる。Further, even when the length of the printing plate is changed due to the change of the printed matter, the printing plate can be detached and attached by moving the movable cylinder, so that it is necessary to replace the plate cylinder. Thus, the setup work time can be shortened.
【図１】この発明に係る版胴を用いた印刷機の概略図FIG. 1 is a schematic view of a printing machine using a plate cylinder according to the present invention.
【図２】同上の印刷ユニットの拡大図FIG. 2 is an enlarged view of the printing unit of the above.
【図３】同上の側面図FIG. 3 is a side view of the above.
【図４】同上印刷機の他の例を示す正面図FIG. 4 is a front view showing another example of the same printing machine.
【図５】（ａ）、（ｂ）は従来の印刷機を示す概略図5A and 5B are schematic views showing a conventional printing machine.
１２ 第１シリンダ １３ 第２シリンダ １８ 印刷版 １９ 孔 ２０ 送りピン 12 1st cylinder 13 2nd cylinder 18 Printing plate 19 Hole 20 Feed pin
Claims (1)
し、少なくとも１本のシリンダを他のシリンダに対して
位置調整自在に設け、各シリンダの外周両端部に可撓性
を有するループ状印刷版の両側部に設けられた送り用の
孔に対して係合可能な送りピンを周方向に等間隔に設け
た印刷機の版胴。1. A loop printing having a plurality of cylinders arranged in parallel, at least one cylinder being positionally adjustable with respect to other cylinders, and having flexibility at both outer peripheral ends of each cylinder. A plate cylinder of a printing machine, in which feed pins engageable with feed holes provided on both sides of the plate are provided at equal intervals in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6042192A JPH05261887A (en) | 1992-03-17 | 1992-03-17 | Plate cylinder or printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6042192A JPH05261887A (en) | 1992-03-17 | 1992-03-17 | Plate cylinder or printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05261887A true JPH05261887A (en) | 1993-10-12 |
Family
ID=13141731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6042192A Pending JPH05261887A (en) | 1992-03-17 | 1992-03-17 | Plate cylinder or printing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05261887A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011519320A (en) * | 2008-04-28 | 2011-07-07 | ゴス インターナショナル アメリカス インコーポレイテッド | Variable cut-off printing press with flexible printing plate and blanket |
| JP2012096490A (en) * | 2010-11-04 | 2012-05-24 | Misato Mirai 21:Kk | Printer using endless belt-like printing plate, printing method therefor, and mounting method for belt-like printing plate |
| JP2015523244A (en) * | 2012-05-31 | 2015-08-13 | エルジー・ケム・リミテッド | Reverse offset printing apparatus and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57165262A (en) * | 1981-04-03 | 1982-10-12 | The Pack Kk | Printing device for large-sized paper container |
| JPS6315749A (en) * | 1986-07-08 | 1988-01-22 | Isowa Ind Co | Method and device for controlling synchronization of belt-type printer |
-
1992
- 1992-03-17 JP JP6042192A patent/JPH05261887A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57165262A (en) * | 1981-04-03 | 1982-10-12 | The Pack Kk | Printing device for large-sized paper container |
| JPS6315749A (en) * | 1986-07-08 | 1988-01-22 | Isowa Ind Co | Method and device for controlling synchronization of belt-type printer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011519320A (en) * | 2008-04-28 | 2011-07-07 | ゴス インターナショナル アメリカス インコーポレイテッド | Variable cut-off printing press with flexible printing plate and blanket |
| JP2012096490A (en) * | 2010-11-04 | 2012-05-24 | Misato Mirai 21:Kk | Printer using endless belt-like printing plate, printing method therefor, and mounting method for belt-like printing plate |
| JP2015523244A (en) * | 2012-05-31 | 2015-08-13 | エルジー・ケム・リミテッド | Reverse offset printing apparatus and method |
| US10212820B2 (en) | 2012-05-31 | 2019-02-19 | Lg Chem, Ltd. | Apparatus and method for reverse offset printing |
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