JP2006305868A - Attaching and detaching device of transfer roller - Google Patents

Attaching and detaching device of transfer roller Download PDF

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JP2006305868A
JP2006305868A JP2005131311A JP2005131311A JP2006305868A JP 2006305868 A JP2006305868 A JP 2006305868A JP 2005131311 A JP2005131311 A JP 2005131311A JP 2005131311 A JP2005131311 A JP 2005131311A JP 2006305868 A JP2006305868 A JP 2006305868A
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roller
transfer roller
plate cylinder
state
attaching
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JP4672428B2 (en
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Takahiko Nakamura
貴彦 中村
Yukio Kuroda
行夫 黒田
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Ryobi Ltd
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Ryobi Ltd
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  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide the attaching and detaching device of the transfer roll of a printing machine, in which no hicky removing work can be performed under a state, in which an inking roller and the transfer roller are brought into contact with each other. <P>SOLUTION: The attaching and detaching device of the transfer roller of the printing machine comprises a plate cylinder 9, the inking roller 10 for supplying ink to the plate cylinder 9, a dampening roller 12 for giving dampening water to the plate cylinder 9, and the transfer roller 11, which is provided attachably to and detachably from the inking roller 10 under the state being in contact with the dampening roller 12, wherein the inking roller 10 and the transfer roller 11 are brought in a state being separated from each other when the dampening roller 12 and the plate cylinder rotate in their surface speeds different from each other. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、印刷機のインキ着けローラと水着けローラの間に設けられた渡しローラに関する。   The present invention relates to a transfer roller provided between an ink form roller and a water form roller of a printing press.

従来の印刷機の湿し装置において、インキ着けローラの一つと水着けローラの間に着脱可能に設けられた渡しローラを備え、印刷条件もしくは運転状況に応じて、渡しローラとインキ着けローラの間の着脱機能によりインキ装置と湿し装置との間の接触を切ったり又は着けたりして印刷作業を行っている。   In a conventional dampening device for a printing press, a transfer roller provided detachably between one of the ink application rollers and the water application roller is provided, and between the transfer roller and the ink application roller according to printing conditions or operating conditions. The attachment / detachment function cuts or puts on the contact between the inking device and the dampening device to perform the printing operation.

また、水着けローラによって版胴の版面に湿し水を供給しているが、版面にゴミなどの異物が付着すると、部分的な白抜けや非画線部の汚れとなるヒッキーと称する汚れの現象が発生する。このヒッキーが発生した場合は、水着けローラを版胴よりも遅くしたり、又は早くしたりすることで、水着けローラの表面速度と版胴と表面速度の間に速度の差を生じさせ、版胴と水着けローラ間に生じる拭い作用でヒッキーを除去する作業を行い、ヒッキー除去作業が終了すると水着けローラの表面速度と版胴の表面を同じ速度に戻して通常運転をしている。
特許第3372469号公報
In addition, dampening water is supplied to the plate surface of the plate cylinder by the swim roller, but if foreign matter such as dust adheres to the plate surface, it will become a part of white spots and stains called Hicky that will stain non-image areas. The phenomenon occurs. When this hickey occurs, by making the swim roller slower or faster than the plate cylinder, a difference in speed is generated between the surface speed of the swim roller and the plate cylinder and the surface speed, An operation of removing tickeys is performed by a wiping action generated between the plate cylinder and the swim roller, and when the tickey removal operation is completed, the surface speed of the swim roller and the surface of the plate cylinder are returned to the same speed to perform normal operation.
Japanese Patent No. 3372469

上述した従来の湿し装置において、ヒッキー除去の目的で、水着けローラの表面速度を版胴の表面速度と異ならせると、渡しローラと水着けローラがギヤ列で連結されており、インキ着けローラと版胴がギヤ列で連結されているために、インキ着けローラの表面速度と渡しローラの表面速度も異なることとなる。このような状態で、インキ着けローラと渡しローラを接触させたままで作業を行っていると水着けローラの表面が掻き毟られたり、インキ着けローラのゴムが変形してしまい、印刷品質に悪影響を及ぼすことがある。   In the above-described conventional dampening device, if the surface speed of the swim roller is made different from the surface speed of the plate cylinder for the purpose of removing the hickey, the transfer roller and the swim roller are connected by a gear train. Since the plate cylinder is connected by a gear train, the surface speed of the ink form roller is different from the surface speed of the transfer roller. In such a state, if the operation is performed with the ink form roller and the transfer roller in contact with each other, the surface of the water form roller is scratched or the rubber of the ink form roller is deformed, which adversely affects the print quality. May have an effect.

そこで、本発明は、ヒッキー除去作業時に、インキ着けローラと渡しローラを接触させた状態で作業を行うことのないようにした印刷機の渡しローラの着脱装置を提供することを目的とする。   SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a transfer roller attachment / detachment device for a printing press that does not perform an operation in a state where an ink form roller and a transfer roller are in contact with each other during a hickey removal operation.

上記目的を達成するために、本発明は、版胴と、前記版胴にインキを供給するインキ着けローラと、湿し水を前記版胴に与える水着けローラと、前記水着けローラと前記インキ着けローラの間に前記インキ着けローラと着脱可能に設けられた渡しローラを備えた印刷機の渡しローラ着脱装置において、前記水着けローラと前記版胴の表面速度が異なる速度で回転する時には、前記インキ着けローラと前記渡しローラが離間状態とするようにしたことを特徴としている。   In order to achieve the above object, the present invention provides a plate cylinder, an ink form roller for supplying ink to the plate cylinder, a water application roller for supplying dampening water to the plate cylinder, the water application roller, and the ink. In a transfer roller attaching / detaching device of a printing press provided with a transfer roller detachably provided between the ink applying roller, when the surface speed of the swim roller and the plate cylinder rotates at different speeds, The ink form roller and the transfer roller are separated from each other.

さらに、前記水着けローラと前記版胴の表面速度が略同速で回転する時の前記インキ着けローラと前記渡しローラの着脱状態を接触状態または離間状態として設定する記憶部を備え、前記水着けローラと前記版胴の表面速度が異なる速度から略同速に変更された時に、前記インキ着けローラと前記渡しローラの着脱状態が前記記憶部に設定された状態とするようにしたことを特徴としている。   And a storage unit for setting the attachment / detachment state of the ink form roller and the transfer roller as a contact state or a separation state when the surface speeds of the swim roller and the plate cylinder rotate at substantially the same speed. When the surface speed of the roller and the plate cylinder is changed from a different speed to substantially the same speed, the attachment / detachment state of the ink form roller and the transfer roller is set to the state set in the storage unit. Yes.

本発明の印刷機の渡しローラ着脱装置によれば、水着けローラと版胴の表面速度が異なる速度で回転する時には、インキ着けローラと渡しローラが常に離間状態となるため、ヒッキー除去作業時に、インキ着けローラと渡しローラを接触させた状態で作業を行うことのない印刷機の渡しローラの着脱装置を提供することができる。   According to the transfer roller attaching / detaching apparatus of the printing press of the present invention, when the surface speed of the water application roller and the plate cylinder rotates at different speeds, the ink application roller and the transfer roller are always separated from each other. It is possible to provide a transfer roller attaching / detaching device for a printing press that does not perform an operation in a state where the ink form roller and the transfer roller are in contact with each other.

さらに、水着けローラと版胴の表面速度が異なる速度から略同速に変更された時に、インキ着けローラと渡しローラの着脱状態が設定された状態とするようにしたことにより、ヒッキー除去作業終了後に、通常運転作業に戻したときに、インキ着けローラと渡しローラの着脱状態が最初に設定されている状態に自動で戻るため、着脱設定の通常運転時の状態への戻し忘れが無い。   In addition, when the surface speed of the water application roller and the plate cylinder is changed from a different speed to approximately the same speed, the detachment state of the ink application roller and the transfer roller is set to be in a set state, thereby completing the hacky removal operation. Later, when returning to normal operation, since the attachment / detachment state of the ink form roller and the transfer roller automatically returns to the initial setting state, there is no forgetting to return the attachment / detachment setting to the normal operation state.

以下に、本発明に係る印刷機の渡しローラの着脱装置の好ましい実施の形態につき、添付図面を参照しつつ説明する。図1は渡しローラ11の着脱装置をCPUを用いて実現したハードウエアの構成を示している。図2は渡しローラ11とインキ着けローラ10が離間状態の正面図、図3は渡しローラ11とインキ着けローラ10が接触状態の正面図、図4は渡しローラ11の着脱制御を示すフローチャート図である。   Hereinafter, preferred embodiments of a transfer roller attaching / detaching device of a printing press according to the present invention will be described with reference to the accompanying drawings. FIG. 1 shows a hardware configuration in which a transfer roller 11 attachment / detachment device is realized using a CPU. 2 is a front view of the transfer roller 11 and the ink form roller 10 in a separated state, FIG. 3 is a front view of the transfer roller 11 and the ink form roller 10 in contact, and FIG. 4 is a flowchart showing attachment / detachment control of the transfer roller 11. is there.

図1において、バスライン8には、CPU5、ROM6、RAM7が接続されている。CPU5はROM6に記憶されたプログラムに従ってバスライン8を介して各部を制御する。   In FIG. 1, a CPU 5, a ROM 6, and a RAM 7 are connected to the bus line 8. The CPU 5 controls each unit via the bus line 8 in accordance with a program stored in the ROM 6.

また、バスライン8には、インターフェース部4を介してそれぞれGUI1、スリップ率変更機構2、渡しローラ着脱機構3が接続されている。スリップ率変更機構2は、水着けローラ12の回転速度を制御し、渡しローラ着脱機構3は、渡しローラ11のインキ着けローラ10との着脱状態を制御する。   Further, the GUI 1, the slip ratio changing mechanism 2, and the transfer roller attaching / detaching mechanism 3 are connected to the bus line 8 via the interface unit 4. The slip ratio changing mechanism 2 controls the rotation speed of the water application roller 12, and the transfer roller attaching / detaching mechanism 3 controls the attachment / detachment state of the transfer roller 11 with the ink application roller 10.

先ず、図2と図3により、エアシリンダー13を動作して、渡しローラ11をインキ着けローラ10と着脱させる動作について説明する。図2は、図示しない操作パネルで渡しローラ11の着脱モードを「離間モード」として動作している状態であり、渡しローラ着脱機構3の指示によりエアシリンダー13が動作していないときは、リンク14及び連動リンク15によって略一直線が形成される。この状態では、図示しないフレームに固定された軸17を中心としてアーム16が反時計回り方向に回動している状態となっている。それにより、アーム16の規制部21が着脱アーム22に固定された軸18に当接することで、着脱アーム22が水着けローラ12の軸23を中心に時計方向に押圧部材20のばね19の力に逆らって回動している。ここで軸18は押圧部材20にも回動自在に接続され、着脱アーム22は常時反時計方向にばね19により付勢されている。着脱アーム22が時計方向に回動することにより、着脱アーム22の略中間に回動自在に固定された渡しローラ11の軸24も同時にインキ着けローラ10から離間する方向へ移動するため、渡しローラ11とインキ着けローラ10が離間状態となっている。   First, referring to FIGS. 2 and 3, the operation of operating the air cylinder 13 to attach and detach the transfer roller 11 to and from the ink form roller 10 will be described. FIG. 2 shows a state in which the operation mode of the transfer roller 11 is operated with the operation panel (not shown) as the “separation mode”, and when the air cylinder 13 is not operating according to the instruction of the transfer roller installation / removal mechanism 3, the link 14. The interlocking link 15 forms a substantially straight line. In this state, the arm 16 is rotated counterclockwise about a shaft 17 fixed to a frame (not shown). As a result, the restricting portion 21 of the arm 16 abuts on the shaft 18 fixed to the detachable arm 22, so that the detachable arm 22 acts on the shaft 23 of the swim roller 12 in the clockwise direction and the force of the spring 19 of the pressing member 20. It is turning against. Here, the shaft 18 is also rotatably connected to the pressing member 20, and the detachable arm 22 is always biased by the spring 19 counterclockwise. When the detachable arm 22 is rotated clockwise, the shaft 24 of the transfer roller 11 that is rotatably fixed substantially in the middle of the detachable arm 22 is also moved in the direction away from the ink form roller 10 at the same time. 11 and the ink form roller 10 are in a separated state.

また、図3は、図示しない操作パネルで渡しローラ11の着脱モードを「接触モード」として動作している状態であり、渡しローラ着脱機構3の指示によりエアシリンダー13が動作しているときは、エアシリンダー13の動作によりリンク14及び連動リンク15によって略「く」の字が形成されている。この状態では、図示しないフレームに固定された軸17を中心としてアーム16が時計回り方向に回動している状態となっている。それによりアーム16の規制部21と軸18との当接が解除され、着脱アーム22が水着けローラ12の軸23を中心に反時計方向に押圧部材20のばね19の付勢力によって回動している。着脱アーム22が反時計方向に回動することにより、着脱アーム22の略中間に回動自在に固定された渡しローラ11の軸24も同時にインキ着けローラ10に接触するまで移動し、渡しローラ11とインキ着けローラ10が接触状態となっている。   FIG. 3 shows a state in which the attaching / detaching mode of the transfer roller 11 is operated as “contact mode” on an operation panel (not shown), and when the air cylinder 13 is operating according to an instruction from the transferring roller attaching / detaching mechanism 3, By the operation of the air cylinder 13, a substantially “<” character is formed by the link 14 and the interlocking link 15. In this state, the arm 16 is rotated clockwise about a shaft 17 fixed to a frame (not shown). As a result, the contact between the regulating portion 21 of the arm 16 and the shaft 18 is released, and the detachable arm 22 rotates counterclockwise around the shaft 23 of the swim roller 12 by the biasing force of the spring 19 of the pressing member 20. ing. When the detachable arm 22 is rotated counterclockwise, the shaft 24 of the transfer roller 11 that is rotatably fixed to substantially the middle of the detachable arm 22 is also moved until it contacts the ink form roller 10 at the same time. And the ink form roller 10 are in contact with each other.

次に、図4により、着脱機構3の制御方法を説明する。最初に、通常運転時の渡しローラ11の着脱モードの設定について、渡しローラ11と水着けローラ10とを接触させて運転する「接触モード」か、または離間させて運転する「離間モード」を選択し、プログラムに記憶させておく(ステップ101)。例えば「接触モード」に設定したと仮定するが、これは、作業者がインキの状況などを勘案して決定すればよい。さらに、通常運転時の水着けローラ12の回転モードについて、水着けローラ12の表面速度と版胴9の表面速度を同じ速度とするよう「同速モード」(ステップ102)を選択することにより、印刷作業を通常運転で開始する。この時、渡しローラ11の着脱設定は、予め記憶された接触モードで運転される(ステップ105)。   Next, the control method of the attachment / detachment mechanism 3 will be described with reference to FIG. First, regarding the setting of the attachment / detachment mode of the delivery roller 11 during normal operation, the “contact mode” in which the delivery roller 11 and the swim roller 10 are brought into contact with each other or “separation mode” in which the delivery roller 11 is operated in a separated manner is selected. And stored in the program (step 101). For example, it is assumed that the “contact mode” is set, but this may be determined by the operator in consideration of the ink status and the like. Furthermore, by selecting the “same speed mode” (step 102) so that the surface speed of the swim roller 12 and the surface speed of the plate cylinder 9 are the same as the rotation mode of the swim roller 12 during normal operation, Start printing work in normal operation. At this time, the attachment / detachment setting of the transfer roller 11 is operated in the contact mode stored in advance (step 105).

通常運転開始後、通常運転中にヒッキーが発生し、ヒッキーを除去したい場合は、水着けローラ12の回転モードについて、水着けローラ12の表面速度と版胴9の表面速度が異速となるよう「異速モード(同速モードでない)」(ステップ102)を選択する。この時、渡しローラ11の着脱モードの設定が、「接触モード」になっているか「離間モード」になっているかを判断し(ステップ103)、「離間モード」であれば、そのまま「離間モード」とし、「接触モード」になっている場合は、「離間モード」に切り替えてヒッキー除去作業を行う。以上のように、ヒッキー作業時に水着けローラ12と版胴9の速度が異速となることにより、インキ着けローラ10と渡しローラ11間にも表面速度の差が生じるが、ヒッキー作業中は、インキ着けローラ10と渡しローラ11の接触を自動的に切り離す離間モードに切り替わるために、表面速度差により水着けローラの表面が掻き毟られたり、インキ着けローラのゴムが変形してしまうことがなく、印刷品質に悪影響を及ぼすことがない。   When tickeys are generated during normal operation after the start of normal operation and hackies are to be removed, the surface speed of the water roller 12 and the surface speed of the plate cylinder 9 are different from each other in the rotation mode of the water roller 12. The “different speed mode (not the same speed mode)” (step 102) is selected. At this time, it is determined whether the setting of the attachment / detachment mode of the transfer roller 11 is the “contact mode” or the “separation mode” (step 103). If it is in the “contact mode”, it is switched to the “separation mode” to perform the hacky removal work. As described above, when the speed of the water application roller 12 and the plate cylinder 9 is different during the hicking operation, a difference in surface speed occurs between the ink application roller 10 and the transfer roller 11. Since the mode is switched to the separation mode in which the contact between the ink form roller 10 and the transfer roller 11 is automatically separated, the surface of the water form roller is not scratched or the rubber of the ink form roller is not deformed due to the surface speed difference. Does not adversely affect print quality.

その後、ヒッキー除去作業を終了した後は、再度、「同速モード」を選択して通常運転を行う。この通常運転時の渡しローラ11の着脱モードの設定は、予め記憶された「接触モード」の状態へ戻されて運転される(ステップ105)。尚、「異速モード」と「同速モード」の切り替え時は、印刷作業を一時停止して切り替えてもよいし、印刷作業を続けながら切り替えるようにしても良い。   Thereafter, after completing the hickey removal work, the “same speed mode” is selected again and normal operation is performed. The setting of the attachment / detachment mode of the transfer roller 11 during the normal operation is returned to the previously stored “contact mode” state (step 105). When switching between the “different speed mode” and the “same speed mode”, the printing operation may be temporarily stopped and switched, or may be switched while continuing the printing operation.

渡しローラ1の着脱装置をCPUを用いて実現したハードウエアのブロック図Hardware block diagram that implements the transfer roller 1 attachment / detachment device using a CPU 渡しローラ11とインキ着けローラ10が離間状態の正面図Front view of the transfer roller 11 and the ink form roller 10 in a separated state 渡しローラ11とインキ着けローラ10が接触状態の正面図Front view of the transfer roller 11 and the ink form roller 10 in contact with each other 渡しローラ11の着脱制御を示すフローチャート図The flowchart figure which shows attachment / detachment control of the delivery roller 11

符号の説明Explanation of symbols

1 GUI
2 スリップ率変更機構
3 渡しローラ着脱機構
9 版胴
10 インキ着けローラ
11 渡しローラ
12 水着けローラ
13 エアシリンダー
22 着脱アーム
1 GUI
2 Slip ratio changing mechanism 3 Transfer roller attaching / detaching mechanism 9 Plate cylinder 10 Inking roller 11 Transfer roller 12 Swim roller 13 Air cylinder 22 Removable arm

Claims (2)

版胴と、前記版胴にインキを供給するインキ着けローラと、湿し水を前記版胴に与える水着けローラと、前記水着けローラと前記インキ着けローラの間に前記インキ着けローラと着脱可能に設けられた渡しローラを備えた印刷機の渡しローラ着脱装置において、前記水着けローラと前記版胴の表面速度が異なる速度で回転する時には、前記インキ着けローラと前記渡しローラが離間状態とするようにしたことを特徴とする印刷機の渡しローラ着脱装置。 A plate cylinder, an ink form roller that supplies ink to the plate cylinder, a water form roller that supplies dampening water to the plate cylinder, and the ink form roller is detachable between the water form roller and the ink form roller. In the transfer roller attaching / detaching apparatus for a printing press provided with a transfer roller, the ink form roller and the transfer roller are in a separated state when the surface speeds of the water application roller and the plate cylinder rotate at different speeds. A transfer roller attaching / detaching device for a printing press, characterized in that it is configured as described above. 前記水着けローラと前記版胴の表面速度が略同速で回転する時の前記インキ着けローラと前記渡しローラの着脱状態を接触状態または離間状態として設定する記憶部を備え、前記水着けローラと前記版胴の表面速度が異なる速度から略同速に変更された時に、前記インキ着けローラと前記渡しローラの着脱状態が前記記憶部に設定された状態とするようにしたことを特徴とする請求項1記載の印刷機の渡しローラ着脱装置。 A storage unit configured to set the attachment / detachment state of the ink form roller and the transfer roller as a contact state or a separation state when the surface speed of the swim roller and the plate cylinder rotate at substantially the same speed; When the surface speed of the plate cylinder is changed from a different speed to a substantially same speed, the attachment / detachment state of the ink form roller and the transfer roller is set to the state set in the storage unit. Item 2. A transfer roller attaching / detaching device for a printing press according to Item 1.
JP2005131311A 2005-04-28 2005-04-28 Transfer roller attachment / detachment device Active JP4672428B2 (en)

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JP2006305868A true JP2006305868A (en) 2006-11-09
JP4672428B2 JP4672428B2 (en) 2011-04-20

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07251499A (en) * 1994-02-17 1995-10-03 Man Roland Druckmas Ag Offset printing device
JPH09118006A (en) * 1995-08-09 1997-05-06 Man Roland Druckmas Ag Dampening arrangement for offset printing machine
JPH09118005A (en) * 1995-08-09 1997-05-06 Man Roland Druckmas Ag Dampening arrangement for offset printing machine
JPH1199615A (en) * 1997-08-04 1999-04-13 Heidelberger Druckmas Ag Offset press
JP2004351933A (en) * 2003-05-28 2004-12-16 Heidelberger Druckmas Ag Method for operating printing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07251499A (en) * 1994-02-17 1995-10-03 Man Roland Druckmas Ag Offset printing device
JPH09118006A (en) * 1995-08-09 1997-05-06 Man Roland Druckmas Ag Dampening arrangement for offset printing machine
JPH09118005A (en) * 1995-08-09 1997-05-06 Man Roland Druckmas Ag Dampening arrangement for offset printing machine
JPH1199615A (en) * 1997-08-04 1999-04-13 Heidelberger Druckmas Ag Offset press
JP2004351933A (en) * 2003-05-28 2004-12-16 Heidelberger Druckmas Ag Method for operating printing machine

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