WO2014038425A1 - Machine d'impression et procédé de fourniture d'encre - Google Patents

Machine d'impression et procédé de fourniture d'encre Download PDF

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Publication number
WO2014038425A1
WO2014038425A1 PCT/JP2013/072746 JP2013072746W WO2014038425A1 WO 2014038425 A1 WO2014038425 A1 WO 2014038425A1 JP 2013072746 W JP2013072746 W JP 2013072746W WO 2014038425 A1 WO2014038425 A1 WO 2014038425A1
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WO
WIPO (PCT)
Prior art keywords
ink
rollers
roller
film
kneading
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Application number
PCT/JP2013/072746
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English (en)
Japanese (ja)
Inventor
西山　浩司
大久保　隆幸
森尾　充成
Original Assignee
三菱重工印刷紙工機械株式会社
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.)
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Application filed by 三菱重工印刷紙工機械株式会社 filed Critical 三菱重工印刷紙工機械株式会社
Priority to JP2014534306A priority Critical patent/JP5800442B2/ja
Publication of WO2014038425A1 publication Critical patent/WO2014038425A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/004—Driving means for ink rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices

Definitions

  • the present invention relates to a printing machine and an ink supply method for performing printing by supplying ink and fountain solution to a plate cylinder using a plurality of rollers and transferring the ink onto a printing surface of a printing medium.
  • a newspaper rotary offset printing press includes a paper feeding device, a printing device, a web pass device, a folder, and a paper discharge device.
  • the printing apparatus includes a plurality of printing units.
  • the printing unit includes, for example, an ink fountain, an ink base roller, an ink delivery roller, an ink kneading roller, an ink reciprocating roller, an ink kneading roller, an ink reciprocating roller,
  • An inking roller, a plate cylinder, and a blanket cylinder are arranged substantially in series, and a dampening device is provided for the plate cylinder.
  • the plate surface of the plate cylinder is transferred from each ink applying roller.
  • the ink attached to the printing plate is transferred to the blanket cylinder, and the web travels between the opposite blanket cylinder so that a predetermined printing pressure is applied to the web and the ink on the blanket cylinder is transferred as a pattern. Is done.
  • this printing unit is configured by alternately arranging metal rollers and rubber rollers, and each metal roller is driven and rotated by a driving device, and the rubber roller contacting the metal roller is rotated. By doing so, all the rollers are rotating. Then, by rotating each roller, the ink is transferred from the ink base roller to a plurality of rollers and kneaded to form a uniform and appropriate ink film, which is transferred from the plate cylinder to the web via the blanket cylinder. Transcribed.
  • Patent Document 1 a shortening inking device with a small number of rollers is disclosed in Patent Document 1 below.
  • the shortened inking apparatus described in Patent Document 1 supplies ink from an ink transfer roller to a plate cylinder via two ink application rollers.
  • the offset printing press has a printing plate (plate cylinder) whose surface is composed of an image portion that forms a pattern and a non-image portion that is a blank sheet, and an ink film that is oil is formed on the image area.
  • a water film that repels oil is formed in the non-image area. Therefore, an ink supply device and a dampening device are arranged with respect to the plate cylinder.
  • the above-described conventional shortening inking device is composed of an ink transfer roller and two ink-applying rollers. In this inking device, a dampening agent or a separating agent is supplied to the smoothing roller to repel it. An ink effect is provided, and a dampening device is not used.
  • the structure is different and the structure is complicated.
  • a printer described in Patent Document 2 as a printing machine in which an ink supply device and a dampening device are arranged with respect to a plate cylinder.
  • the printing machine described in Patent Document 2 supplies ink from an ink transfer roller to a plate cylinder via an ink application drum and two foam rollers, and supplies dampening water from the dampening roller to the ink application drum. Is.
  • the path from the dampening water supply position to the plate cylinder is short, and it becomes difficult to form a water film uniformly on the ink film, resulting in a decrease in print quality.
  • the plate cylinder is supplied with the ink film first from the ink application drum, so The boundary with the line portion becomes unstable, and there is a possibility that the print quality may be lowered in this respect.
  • the present invention solves the above-described problems, and an object of the present invention is to provide a printing machine and an ink supply method capable of improving printing quality.
  • a printing machine includes an ink supply source, an ink delivery roller to which ink is delivered from the ink supply source, an ink kneading roller in contact with the ink delivery roller, and the ink kneading roller.
  • a dampening device that supplies dampening water to the ink kneading roller to which ink has been transferred from the ink transfer roller.
  • dampening water is supplied to the ink supply source side where the ink film thickness is large, the amount of dampening water that can be taken in by the ink increases, but the ink supply is hindered by the supplied dampening water, and ink transfer is prevented. It may get worse. For this reason, supplying dampening water to the ink kneading roller ensures an appropriate balance between the amount of ink dampened by the ink and the amount of ink supplied, and damps the ink supply path upstream. Water can be supplied while maintaining a good balance with the ink supply amount, and print quality can be improved.
  • the dampening device is downstream of the contact position with the ink delivery roller in the rotation direction of the ink kneading roller and upstream of the contact position with the ink reciprocating roller. It is characterized by supplying dampening water.
  • the ink is supplied from the ink supply source to the plate cylinder via the ink delivery roller, the ink kneading roller, the ink reciprocating roller, and the two ink application rollers, and the fountain solution is supplied from the dampening device to the ink kneading roller.
  • the ink is supplied to the plate cylinder via an ink reciprocating roller and two ink application rollers. Therefore, the plate cylinder is supplied with a water film first from each ink application roller, and then the ink film is easily supplied, the boundary between the image area and the non-image area is stabilized, and the printing quality is improved. Can do.
  • a drive device for driving and rotating the ink delivery roller, the plate cylinder, and the blanket cylinder is provided, and the ink kneading roller, the ink reciprocating roller, and the first and second ink application rollers are accompanied. It is characterized by being driven around.
  • the ink transfer roller can rotate the ink kneading roller, the ink reciprocating roller, and the respective ink application rollers.
  • a driving device for driving and rotating the ink reciprocating roller, the plate cylinder, and the blanket cylinder is provided, and the ink delivery roller, the ink kneading roller, and the first and second ink application rollers are accompanied. It is characterized by being driven around.
  • the ink reciprocating roller can rotate the ink kneading roller, the ink delivery roller, and each ink applying roller.
  • the ink reciprocating roller provided downstream from the ink kneading roller and upstream from the first ink adhering roller is located downstream from the contact position with the ink kneading roller.
  • a contact roller is provided that contacts the upstream side of the contact position with the first ink application roller.
  • the number of nips can be increased when the contact roller comes in contact with the ink reciprocating roller, and the water mark trace can be eliminated by the dampening device and the pattern trace can be eliminated by the ink delivery roller, thereby improving the print quality. can do.
  • the contact roller has a rider roller.
  • the ink kneading effect can be enhanced by the lidar roller.
  • the dampening device has a chrome roller that is in contact with the ink kneading roller and whose main component of surface material is chrome.
  • the chrome roller can supply water uniformly and stably to the ink kneading roller.
  • the first ink application roller is set to have the same diameter as the plate cylinder
  • the second ink application roller is set to be smaller in diameter than the plate cylinder, and along the axial direction. It is characterized by reciprocal movement.
  • the ink kneading effect can be enhanced, and the second ink application roller can be moved back and forth. By doing so, it is possible to effectively eliminate the history at the time of ink supply, suppress the occurrence of ghost, and improve the printing quality.
  • the ink delivery roller has an 11-polyamide film or a 12-polyamide film on the surface, and a plurality of angles along a direction inclined at a predetermined angle with respect to the axial direction on the surface of the polyamide film. A part is formed.
  • a leveling roller that contacts the ink kneading roller is provided, and the dampening device supplies dampening water upstream from a position of the ink kneading roller that contacts the leveling roller. It is characterized by being possible.
  • the dampening device supplies dampening water to the ink kneading roller
  • the dampening water is transferred from the ink kneading roller to the leveling roller to form a water film, and the water film of the ink kneading roller is formed.
  • the thickness is made uniform by leveling in the circumferential direction and the axial direction, and a stable water film can be supplied downstream.
  • the dampening device is characterized in that dampening water can be supplied in a granular form to the ink kneading roller.
  • the dampening device supplies granular dampening water to the ink kneading roller, the dampening water of the ink kneading roller is leveled by the leveling roller, and the thickness is made uniform on the downstream side.
  • a water film can be supplied.
  • At least one of the ink kneading roller and the leveling roller is capable of reciprocating along the axial direction.
  • the leveling roller is a rubber roller.
  • the leveling roller is a metal roller.
  • the hydrophilicity of the roller surface can be secured and a stable water film can be formed, and the durability can be improved and the life can be extended.
  • the ink supply source the ink delivery roller, the ink kneading roller, the ink reciprocating roller, the first and second ink application rollers having different diameters, the plate cylinder, the blanket cylinder, Since a dampening device that supplies dampening water to the ink kneading roller is provided, power consumption can be reduced, running costs and maintenance costs can be reduced, and ink can be dampened with dampening water. A delicate balance between the amount of ink that can be taken in and the amount of ink supplied can be secured appropriately, and dampening water can be supplied to the upstream side of the ink supply path while maintaining a good balance with the amount of ink supplied. Can be improved.
  • FIG. 1 is a schematic view showing a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram illustrating another roller arrangement of the printing unit in the newspaper offset rotary printing press according to the first embodiment.
  • FIG. 3 is a cross-sectional view of the shaft portion of the ink reciprocating roller representing the swing mechanism in the printing unit of the first embodiment.
  • FIG. 4 is a cross-sectional view of the eccentric shaft portion representing the swing mechanism in the printing unit of the first embodiment.
  • FIG. 5 is a front view of the ink delivery roller.
  • FIG. 6 is an explanatory diagram showing the outer peripheral shape of the ink delivery roller.
  • FIG. 1 is a schematic view showing a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram illustrating another roller arrangement of the printing unit in the newspaper offset
  • FIG. 7 is an explanatory diagram illustrating a supply path of ink and dampening water in the printing unit.
  • FIG. 8 is a schematic configuration diagram illustrating a newspaper offset rotary printing press according to the first embodiment.
  • FIG. 9 is a schematic configuration diagram illustrating a printing unit in the newspaper offset rotary printing press according to the first embodiment.
  • FIG. 10 is a schematic diagram showing a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to Embodiment 2 of the present invention.
  • FIG. 11 is a schematic diagram illustrating a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to a third embodiment of the present invention.
  • FIG. 12 is a schematic diagram showing a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to Embodiment 4 of the present invention.
  • FIG. 13 is a schematic diagram illustrating a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to a fifth embodiment of the present invention.
  • FIG. 14 is a schematic diagram showing a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to Embodiment 6 of the present invention.
  • FIG. 1 is a schematic diagram showing a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to Embodiment 1 of the present invention
  • FIG. 2 is a printing unit in a newspaper offset rotary printing press according to Embodiment 1.
  • FIG. 3 is a schematic view showing another roller arrangement
  • FIG. 3 is a cross-sectional view of a shaft portion of an ink reciprocating roller showing a swing mechanism in the printing unit of Embodiment 1
  • FIG. 4 is a swing mechanism in the printing unit of Embodiment 1.
  • FIG. 5 is a front view of the ink delivery roller
  • FIG. 6 is an explanatory view showing the outer peripheral shape of the ink delivery roller
  • FIG. 7 is a supply path of ink and dampening water in the printing unit.
  • FIG. 8 is a schematic configuration diagram illustrating a newspaper offset rotary printing press according to the first embodiment.
  • FIG. 9 is a schematic configuration diagram illustrating a printing unit in the newspaper offset rotary printing press according to the first embodiment.
  • the printing machine of the first embodiment is a newspaper offset rotary printing machine, and includes a paper feeding device R, an infeed device I, a printing device U, a web pass device D, and a folding machine.
  • the paper feeding device R has a plurality (seven in the first embodiment) of paper feeding units R1 to R7
  • the infeed device I has a plurality (seven in the first embodiment) of infeed units I1 to I7.
  • the printing apparatus U has a plurality (six in the first embodiment) of printing units U1 to U6, and the web pass apparatus D has a plurality (two in the first embodiment) of web pass units D1.
  • D2 and the folding machine F has a plurality of (two in the first embodiment) folding units F1, F2.
  • the printing units U1 to U6 have been described as six units. However, each of the printing units U1 to U6 can perform four-color printing, and can be divided into upper and lower parts and can perform twelve two-color printing units U11 and U12. , U21... U61, U62.
  • the two folding units F1 and F2 are described above and below, actually, there are an operation side folding unit F1 and a driving side folding unit F2 that are arranged side by side in a direction orthogonal to the paper surface.
  • the printing apparatus U has been described from two parts, it has been described by dividing it into two in terms of function, and in reality, it is a single apparatus.
  • the paper feed units R1 to R7 are installed on the floor surface of the first floor of a building (not shown), and the infeed units I1 to I7 are installed on the second floor.
  • the printing units U1 to U6 are installed on the third floor, the web pass device D is installed on the third to fifth floors, and the folding machine F is installed on the second and third floors.
  • the paper feeding units R1 to R7 have substantially the same configuration, and have a holding arm 11 that holds three webs on which a web (print medium) W is wound in a roll shape. By rotating 11, the web can be rotated to the paper feeding position.
  • Each of the paper feeding units R1 to R7 is provided with a paper splicing device (not shown), and when the remaining web fed out at the paper feeding position becomes small, the paper splicing device uses the paper splicing device to feed the web at the paper feeding position. Thus, the web at the standby position can be spliced.
  • the infeed units I1 to I7 have substantially the same configuration, and the web running on the printing apparatus U is adjusted by adjusting the tension of the web W fed to the printing units U1 to U6 of the printing apparatus U.
  • the tension of W is stably maintained at an appropriate value.
  • each of the infeed units I1 to I7 has an infeed roller, a paper pressing rubber roller, a dancer roller, a guide roller, and the like. Then, the tension of the web W is made appropriate by urging the dancer roller in the tensioning direction of the web W, the peripheral speed of the infeed roller is changed according to the swing of the dancer roller, and the proper tension of the web W is maintained. ing.
  • the tension of the web W from the paper feeding device R to the infeed device I is performed by a brake device (not shown) provided in the paper feeding units R1 to R7, and the tension detection roller provided in the paper feeding device R is Based on the detection result, the brake device is controlled.
  • a drag roller 12 that can be driven and rotated by a drive source is provided on the downstream side of the printing apparatus U, and the tension of the web W is adjusted by controlling the peripheral speed of the drag roller 12 and the biasing force of the dancer roller. ing.
  • the printing units U1 to U6 are multicolor printing units capable of performing double-sided four-color printing.
  • the printing units U1 to U6 can be divided into upper and lower parts to be printing units U11 to U62 that can perform two-sided two-color printing.
  • Each of the printing units U11 to U62 has substantially the same configuration and has an ink supply device, a plate cylinder, a blanket cylinder, and the like, which will be described later.
  • each printing unit U1 to U3 has a blanket cylinder circumference (diameter) set to twice the circumference (diameter) of the plate cylinder, and each printing unit U4 to U6 has a plate cylinder circumference.
  • the circumference (diameter) of the blanket and the circumference of the blanket cylinder (diameter) are set to be the same.
  • each circumference (each diameter) of the blanket cylinder, the plate cylinder, and the blanket cylinder is set to be the same.
  • the printing units U1 to U6 are all configured by multi-color printing units.
  • the present invention is not limited to this configuration.
  • various units such as a double-sided two-color printing unit, a double-sided single-color printing unit, a single-sided four-color printing unit or a single-color printing unit may be used in combination as appropriate according to the printed matter.
  • the web pass unit D1 is provided for the printing units U1 to U3, and the web pass unit D2 is provided for the printing units U4 to U6.
  • Each of the web path units D1 and D2 has substantially the same configuration, and is a slitter that cuts the web W along the longitudinal direction (the longitudinal direction of the web W, the conveyance direction of the web W) at the center in the width direction, and the longitudinal cut.
  • the webs W printed by the printing units U1 to U3 are vertically cut by the slitter in the web pass unit D1, changed by the turn bar, changed by the turn bar, and adjusted by the compensator. Are overlaid in order.
  • Each web W printed by the printing units U4 to U6 is vertically cut by the slitter in the web pass unit D2, the conveyance path is changed by the turn bar, and the conveyance position is adjusted by the compensator. They are stacked in order.
  • the two folding units F1, F2 are arranged on the operation side and the drive side. That is, when a plurality of webs W1 are overlapped and introduced from the web pass unit D1, the folding unit F1 vertically folds the web W1, cuts it horizontally by a predetermined length, and folds it to form a fold. The paper can be discharged as a newspaper. In addition, when a plurality of webs W2 are overlapped and introduced from the web pass unit D2, the folding unit F2 vertically folds the web W2, cuts the web W2 by a predetermined length, and then horizontally folds to form a fold. The paper can be discharged as a newspaper. In this case, in the folding machine F, the folding units F1 and F2 not only process the webs W1 and W2 from the web path units D1 and D2, but also one of the folding units F1 and F2 can process them together. .
  • the webs W respectively supplied from the paper feeding units R1 to R7 of the paper feeding device R are tensioned by the infeed units I1 to I7 of the infeed device I.
  • the printing units U1 to U6 of the printing apparatus U Printing is performed on both sides of each web W by the printing units U1 to U6 in the printing apparatus U.
  • Each of the webs W printed by the printing units U1 to U3 is vertically cut by a slitter in the web pass unit D1, changed by a turn bar, changed by a turn bar, and adjusted by a compensator.
  • Each web W printed by the printing units U4 to U6 is vertically cut by the slitter in the web pass unit D2, the conveyance path is changed by the turn bar, and the conveyance position is adjusted by the compensator. They are stacked in order.
  • the folding unit F1 vertically folds the web W1, cuts it horizontally at a predetermined length, and folds it horizontally. Form a compromise and eject it as a newspaper.
  • the folding unit F2 vertically folds the web W2, cuts the web W2 by a predetermined length, and then horizontally folds to form a fold. The paper is discharged as a newspaper.
  • the printing unit U1 in the printing apparatus U will be described in detail.
  • the printing unit U1 is an H-type tower unit so that four-color printing is possible.
  • the printing unit U1 includes four stacks 21, 22, 23, black, black, cyan, yellow, and yellow along the conveyance direction of the web W (from bottom to top). 24 is arranged, and each of the stacks 21, 22, 23, and 24 has a roller arrangement that is symmetrical to each other.
  • each of the stacks 21, 22, 23, and 24 in the printing unit U1 is opposed to the left and right so that the blanket cylinders 31a, 31b, 32a, 32b, 33a, 33b, 34a, and 34b are in contact with each other across the web W conveyance path.
  • the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b are in contact with the blanket cylinders 31a, 31b, 32a, 32b, 33a, 33b, 34a, 34b.
  • the stacks 21, 22, 23, and 24 are respectively connected to the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, and 44b with ink supply devices 51a, 51b, 52a, 52b, 53a, 53b, 54a and 54b are provided. Further, dampening devices 61a, 61b, 62a, 62b, 63a, 63b, 64a, 64b are provided for the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b.
  • the blanket cylinders 31a, 31b, 33a and 33b and the plate cylinders 41a, 41b, 43a and 43b are arranged in a letter C shape
  • the stacks 22 and 24 are in the blanket cylinders 32a, 32b and 34a.
  • 34b and plate cylinders 42a, 42b, 44a, 44b are arranged in an inverted C shape.
  • a printing plate (not shown) that prints a different pattern on the outer peripheral surface is 2 in the axial direction, that is, in the width direction of the web W. Two (or four) can be mounted side by side. The number of plates attached may be set as appropriate.
  • each of the stacks 21 and 23 and each of the stacks 22 and 24 has substantially the same roller arrangement, the stacks 21 and 22 will be described in detail below.
  • the stack 21 in the printing unit U1 includes a pair of blanket cylinders 31a and 31b, a pair of plate cylinders 41a and 41b, a pair of ink supply apparatuses 51a and 51b, and a pair of dampening apparatuses 61a and 61a. 61b.
  • the ink supply devices 51a and 51b include ink fountains 101a and 101b and ink original rollers 102a and 102b, ink delivery rollers 103a and 103b, ink kneading rollers 104a and 104b, ink reciprocating rollers 105a and 105b, and a first ink application. It comprises rollers 106a and 106b and second ink application rollers 107a and 107b.
  • the ink supply source of the present invention includes ink fountains 101a and 101b and ink source rollers 102a and 102b.
  • the ink fountains 101a and 101b can store a predetermined amount of ink (oil-based ink), and adjust the ink supply amount to the ink base rollers 102a and 102b by adjusting the ink key opening degree with an ink key (not shown). be able to.
  • the ink base rollers 102a and 102b are metal rollers that receive the ink supplied from the ink fountains 101a and 101b and deliver the ink to the ink delivery rollers 103a and 103b.
  • the ink delivery rollers 103a and 103b are in contact with the ink kneading rollers 104a and 104b with a predetermined nip amount (nip pressure), and supply the received ink to the ink kneading rollers 104a and 104b.
  • the ink delivery rollers 103a and 103b are metal rollers, and an 11-polyamide film or 12-polyamide film is provided on the surface, and the surface of the polyamide film is in the axial direction O.
  • a twist roller is formed by forming a plurality of corner portions 111 along a direction inclined by a predetermined angle ⁇ .
  • the ink delivery rollers 103a and 103b are formed into a perfect circular cylinder by forming a polyamide film, and a plurality of corners 111 inclined by a predetermined angle ⁇ are formed by cutting the surface. . That is, as shown in FIG.
  • a surface 112 having a perfect circle shape represented by a one-dot chain line is cut by a predetermined range L2 in the circumferential direction with a predetermined interval L1 to form a plane portion 113.
  • the plane portions 113 and the arc portions 114 are alternately formed in the circumferential direction, and the corner portions 111 are formed between the plane portions 113 and the arc portions 114.
  • a plurality of corner portions 111 along the direction inclined by the predetermined angle ⁇ are formed.
  • a predetermined gap is secured between the ink original rollers 102a and 102b and the ink delivery rollers 103a and 103b, and the ink original rollers 102a and 102b are rotated with respect to the rotation speed of the ink delivery rollers 103a and 103b.
  • the rotation speed of 102b is set to a low speed.
  • a plurality of corners 111 formed on the surfaces of the ink delivery rollers 103a and 103b come into contact with the ink films of the ink source rollers 102a and 102b to scrape the ink, so that the ink is removed from the ink source rollers 102a and 102b.
  • the ink is supplied to the ink delivery rollers 103a and 103b.
  • the ink kneading rollers 104a and 104b supply ink received from the ink delivery rollers 103a and 103b to the ink reciprocating rollers 105a and 105b.
  • the ink kneading rollers 104a and 104b are rubber rollers and have a smaller diameter than the ink delivery rollers 103a and 103b, and the ink reciprocating rollers 105a and 105b are metal rollers.
  • the ink kneading rollers 104a and 104b are in contact with the ink reciprocating rollers 105a and 105b with a predetermined nip amount (nip pressure), kneading ink, and the two ink adhering rollers 106a that the ink reciprocating rollers 105a and 105b are in contact with. , 106b, 107a, 107b.
  • the first and second ink application rollers 106a, 106b, 107a, 107b supply the ink received by the ink reciprocating rollers 105a, 105b to the plate cylinders 41a, 41b.
  • the plate cylinders 41a and 41b have a printing plate fixed on the surface thereof, and ink is supplied to the image line portion of the pattern to be printed on the printing plate.
  • Each of the ink application rollers 106a, 106b, 107a, 107b is a rubber roller, and the first ink application rollers 106a, 106b have the same outer diameter (peripheral length) as the plate cylinders 41a, 41b.
  • the inking rollers 107a and 107b have an outer diameter (peripheral length) smaller than that of the plate cylinders 41a and 41b.
  • the first ink adhering rollers 106a and 106b are in contact with the upstream side in the rotation direction of the ink reciprocating rollers 105a and 105b, and the second ink adhering rollers 107a and 107b are downstream in the rotation direction of the ink reciprocating rollers 105a and 105b. It is facing to the side. That is, the ink reciprocating rollers 105a and 105b supply ink in the order of the first ink applying rollers 106a and 106b and the second ink applying rollers 107a and 107b.
  • the first ink application rollers 106a and 106b are in contact with the downstream side in the rotation direction of the plate cylinders 41a and 41b, and the second ink application rollers 107a and 107b are in contact with the upstream side in the rotation direction of the plate cylinders 41a and 41b. It touches. That is, the plate cylinders 41a and 41b are supplied with ink in the order of the second ink application rollers 107a and 107b and the first ink application rollers 106a and 106b.
  • the plate cylinders 41a and 41b transfer the ink supplied to the printing plate to the blanket cylinders 31a and 31b.
  • the blanket cylinders 31a and 31b are opposed to the front and back of the web W conveyed to the contact position of both. Printing is performed by transferring ink.
  • the ink base rollers 102a and 102b, the ink delivery rollers 103a and 103b, the ink kneading rollers 104a and 104b, and the ink reciprocating rollers 105a and 105b are in contact with each other in series.
  • the plate cylinders 41a and 41b and the blanket cylinders 31a and 31b are in contact with each other in series.
  • the two ink adhering rollers 106a, 106b, 107a, 107b are in contact with each other between the ink reciprocating rollers 105a, 105b and the plate cylinders 41a, 41b.
  • the blanket cylinders 31a and 31b are double cylinders with respect to the plate cylinders 41a and 41b
  • the first ink application rollers 106a and 106b have the same diameter as the plate cylinders 41a and 41b
  • the second ink application rollers 107a. , 107b are smaller in diameter than the plate cylinders 41a, 41b and the first ink application rollers 106a, 106b, the outer diameter is not an integral multiple, and the two are out of phase.
  • the ink kneading rollers 104a and 104b are formed to have a smaller diameter than the ink original rollers 102a and 102b, the ink delivery rollers 103a and 103b, and the ink application rollers 106a, 106b, 107a, and 107b.
  • the diameter is not suitable.
  • the ink supply source is configured by the ink fountains 101a and 101b and the ink source rollers 102a and 102b.
  • the present invention is not limited to this configuration.
  • the ink fountains 101a and 101b there is no pump system (for example, a digital ink pump) having an ink supply nozzle that directly supplies ink to the ink source rollers 102a and 102b, and there is no key for adjusting the ink amount.
  • a keyless system that always forms an ink film with a constant thickness on the roller may be employed.
  • the dampening devices 61a and 61b have spray nozzles, and supply spraying dampening water directly to the ink kneading rollers 104a and 104b.
  • the dampening devices 61a and 61b are located downstream of the contact position with the ink delivery rollers 103a and 103b in the rotation direction of the ink kneading rollers 104a and 104b, and the contact position with the ink reciprocating rollers 105a and 105b. Supply dampening water to the upstream side.
  • the dampening water supplied from the dampening devices 61a and 61b to the ink kneading rollers 104a and 104b together with the ink is transferred to the plate cylinder 41a via the ink reciprocating rollers 105a and 105b and the ink applying rollers 106a, 106b, 107a and 107b.
  • 41b press plate
  • 41b is supplied to a non-printing area that is not printed.
  • the dampening devices 61a and 61b supply the dampening water directly to the ink kneading rollers 104a and 104b by the spray method.
  • the present invention is not limited to this configuration.
  • the dampening devices 61a and 61b may be constituted by a water boat, a water source roller, a water kneading roller, a water reciprocating roller, a swimsuit roller, or the like.
  • the ink delivery rollers 103a and 103b, the plate cylinders 41a and 41b, and the blanket cylinders 31a and 31b can be driven and rotated in synchronization by the first driving devices 121a and 121b.
  • Ink kneading rollers 104a and 104b, ink reciprocating rollers 105a and 105b, and ink adhering rollers 106a, 106b, 107a, and 107b that directly or indirectly contact the ink delivery rollers 103a and 103b and the plate cylinders 41a and 41b
  • the first driving devices 121a and 121b can be driven and rotated by the driving force based on the first driving devices 121a and 121b.
  • the first drive devices 121a and 121b decelerate the rotational force of the first drive motor (not shown) by the speed reducer and transmit it to the blanket cylinders 31a and 31b, and the plate cylinders 41a and 41b and the ink delivery via gears (not shown). It is transmitted to the rollers 103a and 103b and rotated in synchronization.
  • the ink delivery rollers 103a and 103b, the ink kneading rollers 104a and 104b, the ink reciprocating rollers 105a and 105b, and the ink application rollers 106a, 106b, 107a, and 107b are arranged in series and in contact with each other.
  • the rotational force transmitted from the blanket cylinders 31a and 31b to the plate cylinders 41a and 41b passes through the outer peripheral surface, and the ink adhering rollers 106a, 106b, 107a and 107b, the ink reciprocating rollers 105a and 105b, the ink kneading rollers 104a and 104b, By being transmitted to the ink delivery rollers 103a and 103b, these rollers can be rotated.
  • the ink source rollers 102a and 102b can be driven and rotated by the second driving devices 122a and 122b. That is, the second driving devices 122a and 122b are rotated by reducing the rotational force of the second driving motor (not shown) by the speed reducer and transmitting it to the ink source rollers 102a and 102b.
  • the ink reciprocating rollers 105a and 105b can be reciprocated in the axial direction by the swinging devices 131a and 131b.
  • the second ink adhering rollers 107a and 107b can be reciprocated in the axial direction by the ink reciprocating rollers 105a and 105b.
  • the oscillating devices 131a and 131b can reciprocate the ink reciprocating rollers 105a and 105b along the axial direction via a cam mechanism (not shown) by the rotational force of the plate cylinders 41a and 41b.
  • the second ink adhering rollers 107a and 107b receive a swinging force from the ink reciprocating rollers 105a and 105b that contact the second ink adhering rollers 107a and 107b.
  • the ink reciprocating roller 105a has a support shaft 201 supported by the drive side frame 202 so as to be rotatable by a bearing 203 and supported so as to be movable in the axial direction. Yes.
  • a worm gear 204 is fixed to the support shaft 201.
  • a moving frame 206 is supported on a guide shaft 205 fixed to the driving side frame 202 so as to be movable along the axial direction of the support shaft 201.
  • the eccentric shaft 207 is disposed along a direction orthogonal to the support shaft 201, and a pair of shaft portions 208 are supported on the moving frame 206 by bearings 209.
  • the worm wheel 210 is fixed to the eccentric shaft 207, and the worm wheel 210 meshes with the worm gear 204 of the support shaft 201.
  • the support shaft 201 is rotatably supported by the moving frame 206 and is supported so as not to be relatively movable in the axial direction.
  • the eccentric shaft 207 is set with a predetermined eccentricity amount e by the shaft center being displaced from the shaft center of the shaft portion 208.
  • the ink reciprocating rollers 105a and 105b and the second ink applying rollers 107a and 107b swing together with the peripheral surfaces because they contact each other and rotate together.
  • the swinging devices 131a and 131b are not limited to this configuration.
  • the swinging force of the ink reciprocating rollers 105a and 105b may be transmitted to the second ink applying rollers 107a and 107b so as to reciprocate in the axial direction.
  • the stack 22 in the printing unit U1 includes a pair of blanket cylinders 32a and 32b, a pair of plate cylinders 42a and 42b, a pair of ink supply devices 52a and 52b, and a pair of dampening devices. 62a and 62b.
  • the ink supply devices 52a and 52b include ink fountains 161a and 161b and ink original rollers 162a and 162b, ink delivery rollers 163a and 163b, ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b, and a first ink deposit. It comprises rollers 166a and 166b and second ink application rollers 167a and 167b.
  • the ink supply source of the present invention includes ink fountains 161a and 161b and ink source rollers 162a and 162b.
  • the dampening devices 62a and 62b have spray nozzles, and supply spraying dampening water directly to the ink kneading rollers 164a and 164b.
  • the ink delivery rollers 163a and 163b, the plate cylinders 42a and 42b, and the blanket cylinders 32a and 32b can be driven and rotated in synchronization by the first driving devices 171a and 171b.
  • Ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b, and ink adhering rollers 166a, 166b, 167a and 167b that directly or indirectly contact the ink delivery rollers 163a and 163b and the plate cylinders 42a and 42b
  • the first driving devices 171a and 171b can be driven and rotated by a driving force based on the first driving devices 171a and 171b.
  • the first drive devices 171a and 171b decelerate the rotational force of the first drive motor (not shown) by the speed reducer and transmit it to the blanket cylinders 32a and 32b, and the plate cylinders 42a and 42b and the ink delivery via gears (not shown). It is transmitted to the rollers 163a and 163b and rotated in synchronization.
  • the ink base rollers 162a and 162b can be driven and rotated by the second driving devices 172a and 172b. That is, the second driving devices 172a and 172b are rotated by reducing the rotational force of the second driving motor (not shown) by the speed reducer and transmitting it to the ink source rollers 162a and 162b.
  • the ink reciprocating rollers 165a and 165b can be reciprocated in the axial direction by the swinging devices 181a and 181b.
  • the second ink adhering rollers 167a and 167b receive a swinging force from the ink reciprocating rollers 165a and 165b. It can be reciprocated by being connected in the axial direction.
  • the ink supply devices 52a and 52b and the dampening devices 62a and 62b constituting the stack 22 are different from the ink supply devices 51a and 51b and the dampening devices 61a and 61b constituting the stack 21 in the arrangement direction of the rollers. Since the configuration is substantially the same only by turning upside down, detailed description is omitted.
  • the operation of the printing unit U1 will be described.
  • a predetermined amount of black ink is taken out from the ink fountains 101a and 101b, and the ink kneading roller 104a is passed through the ink delivery rollers 103a and 103b. , 104b and from the ink kneading rollers 104a, 104b to the ink reciprocating rollers 105a, 105b.
  • the dampening devices 61a and 61b supply dampening water directly to the ink kneading rollers 104a and 104b.
  • the ink reciprocating rollers 105a and 105b reciprocate in the axial direction with respect to the ink kneading rollers 104a and 104b, the ink and the fountain solution are uniformly spread in the axial direction, that is, the width direction of the web W.
  • Ink is kneaded to a predetermined viscosity.
  • ink and dampening water formed to have a predetermined film thickness are supplied from the ink reciprocating rollers 105a and 105b to the first and second ink applying rollers 106a, 106b, 107a and 107b, and the ink applying rollers 106a and 106b.
  • 107a, 107b are supplied to the plate surfaces (image line portion and non-image line portion) of the plate cylinders 41a, 41b.
  • the ink source rollers 102a and 102b are driven and rotated by the second driving devices 122a and 122b, while the plate cylinders 41a and 41b are driven and rotated by the first driving devices 121a and 121b.
  • the driving rotational force is transmitted to each of the ink applying rollers 106a, 106b, 107a, 107b, the ink reciprocating rollers 105a, 105b, the ink kneading rollers 104a, 104b, and the ink delivery rollers 103a, 103b, and each roller rotates.
  • an appropriate slip is likely to occur between the downstream side rollers from the plate cylinders 41a and 41b toward the ink delivery rollers 103a and 103b, so that an appropriate slip is likely to occur, and the ink kneading rollers 104a and 104b and the ink reciprocating roller 105a.
  • the ink can be properly kneaded and adjusted to an optimum viscosity, and the ink reciprocating rollers 105a and 105b can be swung to uniformly adjust the ink film thickness.
  • the ink attached to the plate surfaces of the plate cylinders 41a and 41b is transferred to the blanket cylinders 31a and 31b, and a predetermined printing pressure is applied to the web W between the pair of blanket cylinders 31a and 31b.
  • the ink on the blanket cylinders 31a and 31b is transferred as a pattern onto the surface of the web W, and double-sided printing is performed.
  • the ink reciprocating rollers 165a and 165b reciprocate in the axial direction with respect to the ink kneading rollers 164a and 164b, the ink and the fountain solution are uniformly spread in the axial direction, that is, the width direction of the web W, Ink is kneaded to a predetermined viscosity.
  • the ink and dampening water formed to have a predetermined film thickness are supplied from the ink reciprocating rollers 165a and 165b to the first and second ink application rollers 166a, 166b, 167a and 167b, and the ink application rollers 166a and 166b.
  • 167a and 167b are supplied to the plate surfaces (image line portion and non-image line portion) of the plate cylinders 42a and 42b.
  • the ink source rollers 162a and 162b are driven and rotated by the second driving devices 172a and 172b, while the plate cylinders 42a and 42b are driven and rotated by the first driving devices 171a and 171b.
  • the driving rotational force is transmitted to each of the ink applying rollers 166a, 166b, 167a, 167b, the ink reciprocating rollers 165a, 165b, the ink kneading rollers 164a, 164b, and the ink delivery rollers 163a, 163b.
  • an appropriate slip is more likely to occur between the rollers on the downstream side from the plate cylinders 42a and 42b toward the ink delivery rollers 163a and 163b, so that an appropriate slip easily occurs, and the ink kneading rollers 164a and 164b and the ink reciprocating roller 165a.
  • the ink can be properly kneaded and adjusted to an optimum viscosity, and the ink reciprocating rollers 165a, 165b can be swung to uniformly adjust the ink film thickness.
  • the ink adhered to the plate surfaces of the plate cylinders 42a and 42b is transferred to the blanket cylinders 32a and 32b, and a predetermined printing pressure is applied to the web W between the pair of blanket cylinders 32a and 32b.
  • the ink on the blanket cylinders 32a and 32b is transferred to the surface of the web W as a pattern, and duplex printing is performed.
  • FIG. 7 shows the flow of ink from the ink fountain 161a to the blanket cylinder 32a in the stack 22,
  • the flow of dampening water from the dampening device 62a to the blanket cylinder 32a is schematically shown, and a gap is provided between each roller.
  • the flow of ink from the ink fountain 161b to the blanket cylinder 32b and the flow of dampening water from the dampening device 62b to the blanket cylinder 32b will not be described but are basically the same. As shown in FIG.
  • the ink base roller 162a supplies the ink in the ink fountain 161a to the ink kneading roller 164a through the ink delivery roller 163a, and the dampening device 62a supplies the dampening water to the ink film on the ink kneading roller 164a. Supply to the surface. Then, the ink kneading roller 164a is transferred to the ink reciprocating roller 165a in a state where the water film represented by the dotted line is formed on the ink film represented by the solid line, and the ink reciprocating roller 165a forms the ink film on the water film. Received in the state, and supplied to the first and second ink application rollers 166a and 167a. Each of the ink application rollers 166a and 167a receives the ink film in a state where a water film is formed on the ink film, and supplies it to the plate surfaces of the plate cylinders 42a and 42b.
  • the ink is supplied to the plate cylinder 42a through the ink source roller 162a, the ink delivery roller 163a, the ink kneading roller 164a, the ink reciprocating roller 165a, and the first and second ink application rollers 166a and 167a.
  • the ink supply path is shorter than the conventional one, since the second ink application roller 167a swings with a different diameter, a sufficient ink kneading effect can be ensured.
  • the fountain solution is supplied to the plate cylinder 42a via the ink kneading roller 164a, the ink reciprocating roller 165a, and the first and second ink application rollers 166a and 167a. In this case, since the dampening water can be appropriately supplied to the portion having a large ink film thickness without inhibiting the ink transfer, the ink can sufficiently take up the dampening water.
  • the ink kneading roller 164a is transferred to the ink reciprocating roller 165a in a state where a water film represented by a dotted line is formed on the ink film represented by a solid line, and the ink reciprocating roller 165a forms an ink film on the water film.
  • Each of the ink application rollers 166a and 167a receives the ink film in a state where a water film is formed on the ink film, and supplies it to the plate surface of the plate cylinder 42a. Therefore, the plate cylinder 42a is supplied with the ink film after the water film is supplied.
  • a water film adheres to a non-image area that becomes a blank sheet, and then an ink film is supplied to the image area that forms the pattern.
  • an ink film is supplied to the image area that forms the pattern.
  • the plate cylinder 42a transfers the ink adhered to the image line portion to the blanket cylinder 32a, and the pair of blanket cylinders 32a transfers the ink to the web W, whereby a pattern is formed on the web W.
  • the offset printing plate creates an oleophilic part (image area) and a hydrophilic area (non-image area), adds water to the hydrophilic area, and uses the repulsion of water and oil. Then, ink is applied to the oleophilic part to form the image area. Therefore, if ink is applied to the printing plate first, the ink will stick to the entire surface, not just the lipophilic part and hydrophilic part, and the image area and non-image area will be formed accurately. It becomes difficult.
  • 167a, 167b plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b, blanket cylinders 31a, 31b, 32a, 32b, 33a, 33b, 34a, 34b, and ink kneading rollers 104a, 104b, Pair with 164a, 164b Dampening device 61a which Shi supplying water wet Te are provided 61b, 62a, 62b, 63a, 63b, 64a, and 64b.
  • dampening water supplied to the ink kneading rollers 104a, 104b, 164a, 164b, a fine balance between the amount of ink that can be taken in by the ink and the amount of ink supplied can be appropriately secured.
  • the dampening water can be supplied to the upstream side in the supply path while maintaining a good balance with the ink supply amount, and the print quality can be improved.
  • the dampening devices 61a, 61b, 62a, 62b, 63a, 63b, 64a, and 64b are the ink delivery rollers 103a in the rotation direction of the ink kneading rollers 104a, 104b, 164a, and 164b.
  • 103b, 163a, 163b dampening water is supplied downstream from the contact position and upstream from the contact position with the ink reciprocating rollers 105a, 105b, 165a, 165b.
  • the ink is the ink fountains 101a, 101b, 161a, 161b, the ink former rollers 102a, 102b, 162a, 162b, the ink delivery rollers 103a, 103b, 163a, 163b, the ink kneading rollers 104a, 104b, 164a, 164b, the ink reciprocation.
  • the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b are supplied with a water film first from the respective ink application rollers 106a, 106b, 107a, 107b, 166a, 166b, 167a, 167b.
  • the ink film is supplied, the boundary between the image area and the non-image area is stabilized, and the print quality can be improved.
  • the first and second ink adhering rollers 106a, 106b, 107a, 107b, 166a, 166b, 167a, 167b are driven together.
  • the first ink application rollers 106a, 106b 166a, 166b are set to have the same diameter as the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b.
  • the ink forming rollers 107a, 107b, 167a, and 167b are set to have a smaller diameter than the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, and 44b, and can reciprocate along the axial direction.
  • the first ink application rollers 106a, 106b, 166a, 166b have the same diameter as the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b, and the second ink application rollers 107a, 107b, 167a,
  • the diameter of 167b By reducing the diameter of 167b, the ink kneading effect can be enhanced, and the history of ink supply can be effectively eliminated by enabling the second ink application rollers 107a, 107b, 167a, 167b to reciprocate.
  • the occurrence of ghost can be suppressed and the printing quality can be improved.
  • the ink delivery rollers 103a, 103b, 163a, 163b are provided with an 11-polyamide film or a 12-polyamide film on the surface, and the surface of the polyamide film with respect to the axial direction O A plurality of corner portions 111 are formed along a direction inclined by a predetermined angle ⁇ . Therefore, high lipophilicity on the surfaces of the ink delivery rollers 103a, 103b, 163a, 163b is ensured, ink can be delivered well, and a plurality of inclined corners 111 are formed on the surface of the polyamide film. Thus, a predetermined amount of ink can be supplied by the plurality of corner portions 111 scraping off the ink.
  • the ink is supplied to the ink delivery rollers 103a, 103b, 163a, 163b to form an ink film on the surface, and the ink delivery rollers 103a, 103b, 163a, 163b.
  • the ink film is transferred to the ink kneading rollers 104a, 104b, 164a, 164b to form an ink film on the surface, and dampening water is supplied onto the ink films of the ink kneading rollers 104a, 104b, 164a, 164b.
  • a step of forming a water film and a step of transferring the ink film and water film of the ink kneading rollers 104a, 104b, 164a, 164b to the ink reciprocating rollers 105a, 105b, 165a, 165b to form a water film and an ink film on the surface.
  • the first and second ink application rollers 106a, 106b, 107a, 107b, 166a, 166b, 167a and 167b are transferred to form an ink film and a water film on the surface, and the first and second ink application rollers 106a.
  • the ink film and the water film are transferred to the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, 44b, and the water film and the ink film are formed on the surface. Forming.
  • dampening water is supplied to the ink supply source side where the ink film thickness is large, the amount of ink that can be taken in by the dampening water increases, but the ink supply is hindered by the supplied dampening water and ink transfer is prevented. It may get worse. For this reason, by supplying dampening water to the ink kneading rollers 104a, 104b, 164a, 164b, a fine balance between the amount of ink that can be taken in by the ink and the amount of ink supplied can be appropriately secured.
  • the dampening water can be supplied to the upstream side in the supply path while maintaining a good balance with the ink supply amount, and the print quality can be improved.
  • the first and second ink application rollers 106a, 106b, 107a, 107b, 166a, 166b, 167a, 167b are formed with a water film on the surface of the ink film, and the plate cylinders 41a, 41b. , 42a, 42b, 43a, 43b, 44a, 44b, a water film is first attached to the surface. Accordingly, the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, and 44b are supplied with water films first from the respective ink forming rollers 106a, 106b, 107a, 107b, 166a, 166b, 167a, and 167b.
  • the ink film is supplied, the boundary between the image area and the non-image area is stabilized, and the print quality can be improved.
  • FIG. 10 is a schematic diagram showing a roller arrangement of printing units in a newspaper offset rotary printing press as a printing press according to Embodiment 2 of the present invention.
  • symbol is attached
  • the stack 22 in the printing unit U1 includes a pair of blanket cylinders 32a and 32b, a pair of plate cylinders 42a and 42b, and a pair of ink supply devices. 52a, 52b and a pair of dampening devices 62a, 62b.
  • the ink supply devices 52a and 52b include ink fountains 161a and 161b and ink original rollers 162a and 162b, ink delivery rollers 163a and 163b, ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b,
  • the first ink form rollers 166a and 166b and the second ink form rollers 167a and 167b are configured.
  • the ink reciprocating rollers 165a and 165b, the plate cylinders 42a and 42b, and the blanket cylinders 32a and 32b can be driven and rotated in synchronization by the first driving devices 171a and 171b.
  • the ink transfer rollers 163a and 163b, the ink kneading rollers 164a and 164b, and the ink adhering rollers 166a, 166b, 167a, and 167b that directly or indirectly contact the ink reciprocating rollers 165a and 165b and the plate cylinders 42a and 42b,
  • the first driving devices 171a and 171b can be driven and rotated by a driving force based on the first driving devices 171a and 171b.
  • the ink reciprocating rollers 165a and 165b can be reciprocated in the axial direction by the swinging devices 181a and 181b.
  • the second ink adhering rollers 167a and 167b receive a swinging force from the ink reciprocating rollers 165a and 165b. It can be reciprocated by being connected in the axial direction.
  • the ink reciprocating rollers 165a and 165b can be driven and rotated, and the ink delivery rollers 163a and 163b can be rotated together. Description of supply and dampening water supply is omitted.
  • the newspaper offset rotary printing press includes the first driving devices 171a and 171b that drive and rotate the ink reciprocating rollers 165a and 165b, the plate cylinders 42a and 42b, and the blanket cylinders 32a and 32b.
  • the ink delivery rollers 163a and 163b, the ink kneading rollers 164a and 164b, and the first and second ink application rollers 166a, 166b, 167a, and 167b are driven in rotation.
  • FIG. 11 is a schematic diagram showing a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to Embodiment 3 of the present invention.
  • symbol is attached
  • the stack 22 in the printing unit U1 includes a pair of blanket cylinders 32a and 32b, a pair of plate cylinders 42a and 42b, and a pair of ink supply devices. 52a, 52b and a pair of dampening devices 62a, 62b.
  • the ink supply devices 52a and 52b include ink fountains 161a and 161b and ink original rollers 162a and 162b, ink delivery rollers 163a and 163b, ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b,
  • the first ink form rollers 166a and 166b and the second ink form rollers 167a and 167b are configured.
  • the ink delivery rollers 163a and 163b, the plate cylinders 42a and 42b, and the blanket cylinders 32a and 32b can be driven and rotated in synchronization by the first driving devices 171a and 171b.
  • Ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b, and ink adhering rollers 166a, 166b, 167a and 167b that directly or indirectly contact the ink delivery rollers 163a and 163b and the plate cylinders 42a and 42b
  • the first driving devices 171a and 171b can be driven and rotated by a driving force based on the first driving devices 171a and 171b.
  • the ink reciprocating rollers 165a and 165b can be reciprocated in the axial direction by the swinging devices 181a and 181b.
  • the second ink adhering rollers 167a and 167b receive a swinging force from the ink reciprocating rollers 165a and 165b. Receiving and reciprocatingly swinging in the axial direction.
  • the ink reciprocating rollers 165a and 165b are in contact with rider rollers (contact rollers) 168a and 168b.
  • the rider rollers (contact rollers) 168a and 168b are located on the downstream side of the contact position with the ink mixing rollers 164a and 164b with respect to the ink reciprocating rollers 165a and 165b, and are paired with the first ink application rollers 166a and 166b. It is facing upstream from the contact position.
  • the rider rollers 168a and 168b are rubber rollers and are set to have a smaller diameter than the ink kneading rollers 164a and 164b, and are in contact with the surfaces of the ink reciprocating rollers 165a and 165b without being fixed at both ends. .
  • the rider rollers 168a and 168b can be rotated with each other by contacting the ink reciprocating rollers 165a and 165b with a predetermined nip pressure (nip width), and knead the ink appropriately to adjust the viscosity to an optimum level. To do.
  • the number of rider rollers 168a and 168b is not limited to one.
  • the ink base rollers 162a and 162b rotate, a predetermined amount of ink is transferred from the ink fountains 161a and 161b to the ink kneading rollers 164a and 164b through the ink transfer rollers 163a and 163b, and the ink reciprocating rollers 165a are transferred from the ink kneading rollers 164a and 164b. , 165b.
  • the rider rollers 168a and 168b are rotated in contact with the ink reciprocating rollers 165a and 165b, whereby the ink is kneaded and adjusted to an optimum viscosity.
  • the dampening devices 62a and 62b supply dampening water directly to the ink kneading rollers 164a and 164b.
  • the ink reciprocating rollers 165a and 165b reciprocate in the axial direction with respect to the ink kneading rollers 164a and 164b, the ink and the fountain solution are uniformly spread in the axial direction, that is, the width direction of the web W, Ink is kneaded to a predetermined viscosity.
  • the ink and dampening water formed to have a predetermined film thickness are supplied from the ink reciprocating rollers 165a and 165b to the first and second ink application rollers 166a, 166b, 167a and 167b, and the ink application rollers 166a and 166b.
  • 167a and 167b are supplied to the plate surfaces (image line portion and non-image line portion) of the plate cylinders 42a and 42b.
  • the ink adhered to the plate surfaces of the plate cylinders 42a and 42b is transferred to the blanket cylinders 32a and 32b, and a predetermined printing pressure is applied to the web W between the pair of blanket cylinders 32a and 32b.
  • the ink on the blanket cylinders 32a and 32b is transferred to the surface of the web W as a pattern, and duplex printing is performed.
  • the ink kneading rollers 164a and 164b are supplied with dampening water from the dampening devices 62a and 62b after the ink is supplied from the ink delivery rollers 163a and 163b. Therefore, the ink film and the water film are supplied from the ink kneading rollers 164a and 164b to the plate cylinders 42a and 42b through the ink application rollers 166a, 166b, 167a and 167b, respectively. After the ink is supplied, the ink film is supplied.
  • the ink is transferred from the ink kneading rollers 164a and 164b to the ink reciprocating rollers 165a and 165b, the ink is kneaded between the lidar rollers 168a and 168b and the ink reciprocating rollers 165a and 165b, and the ink kneading effect is enhanced.
  • the viscosity can be adjusted to the optimum.
  • the number of nips can be increased, so that the water mark marks can be eliminated by the dampening devices 62a and 62b and the pattern marks can be obtained by the ink delivery rollers 163a and 163b. Can be eliminated, and the print quality can be improved.
  • FIG. 12 is a schematic view showing a roller arrangement of printing units in a newspaper offset rotary printing press as a printing press according to Embodiment 4 of the present invention.
  • symbol is attached
  • the stack 22 in the printing unit U1 includes a pair of blanket cylinders 32a and 32b, a pair of plate cylinders 42a and 42b, and a pair of ink supply devices. 52a, 52b and a pair of dampening devices 62a, 62b.
  • the ink supply devices 52a and 52b include ink fountains 161a and 161b and ink original rollers 162a and 162b, ink delivery rollers 163a and 163b, ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b,
  • the first ink form rollers 166a and 166b and the second ink form rollers 167a and 167b are configured.
  • the ink delivery rollers 163a and 163b, the plate cylinders 42a and 42b, and the blanket cylinders 32a and 32b can be driven and rotated in synchronization by the first driving devices 171a and 171b.
  • Ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b, and ink adhering rollers 166a, 166b, 167a and 167b that directly or indirectly contact the ink delivery rollers 163a and 163b and the plate cylinders 42a and 42b
  • the first driving devices 171a and 171b can be driven and rotated by a driving force based on the first driving devices 171a and 171b.
  • the ink reciprocating rollers 165a and 165b can be reciprocated in the axial direction by the swinging devices 181a and 181b.
  • the second ink adhering rollers 167a and 167b receive a swinging force from the ink reciprocating rollers 165a and 165b. It can be reciprocated by being connected in the axial direction.
  • the dampening devices 62a and 62b have chrome rollers 169a and 169b which are in contact with the ink kneading rollers 164a and 164b and whose main component of the surface material is chrome.
  • the chrome rollers 169a and 169b are metal rollers and have a smaller diameter than the ink kneading rollers 164a and 164b.
  • the chrome rollers 169a and 169b can be rotated by contacting the ink kneading rollers 164a and 164b with a predetermined nip pressure (nip width), and after spreading the sprayed fountain solution in the axial direction, It is supplied to the rollers 164a and 164b.
  • the ink base rollers 162a and 162b rotate, and a predetermined amount of ink is delivered from the ink fountains 161a and 161b to the ink kneading rollers 164a and 164b through the ink delivery rollers 163a and 163b.
  • the dampening devices 62a and 62b supply dampening water to the chrome rollers 169a and 169b.
  • the chrome rollers 169a and 169b spread dampening water in the axial direction and supply the dampening water to the ink kneading rollers 164a and 164b.
  • the ink reciprocating rollers 165a and 165b reciprocate in the axial direction with respect to the ink kneading rollers 164a and 164b, the ink and the fountain solution are uniformly spread in the axial direction, that is, the width direction of the web W, Ink is kneaded to a predetermined viscosity.
  • the ink and dampening water formed to have a predetermined film thickness are supplied from the ink reciprocating rollers 165a and 165b to the first and second ink application rollers 166a, 166b, 167a and 167b, and the ink application rollers 166a and 166b.
  • 167a and 167b are supplied to the plate surfaces (image line portion and non-image line portion) of the plate cylinders 42a and 42b.
  • the ink adhered to the plate surfaces of the plate cylinders 42a and 42b is transferred to the blanket cylinders 32a and 32b, and a predetermined printing pressure is applied to the web W between the pair of blanket cylinders 32a and 32b.
  • the ink on the blanket cylinders 32a and 32b is transferred to the surface of the web W as a pattern, and duplex printing is performed.
  • the ink kneading rollers 164a and 164b are supplied with dampening water from the dampening devices 62a and 62b after the ink is supplied from the ink delivery rollers 163a and 163b. Therefore, the ink film and the water film are supplied from the ink kneading rollers 164a and 164b to the plate cylinders 42a and 42b through the ink application rollers 166a, 166b, 167a and 167b, respectively. After the ink is supplied, the ink film is supplied.
  • the dampening water of the dampening devices 62a and 62b is transferred from the chrome rollers 169a and 169b to the ink kneading rollers 164a and 164b. Accordingly, the fountain solution can be uniformly and stably supplied to the ink kneading rollers 164a and 164b.
  • FIG. 13 is a schematic view showing a roller arrangement of printing units in a newspaper offset rotary printing press as a printing press according to Embodiment 5 of the present invention.
  • symbol is attached
  • the stack 22 in the printing unit U1 includes a pair of blanket cylinders 32a and 32b, a pair of plate cylinders 42a and 42b, and a pair of ink supply devices. 52a, 52b and a pair of dampening devices 62a, 62b.
  • the ink supply devices 52a and 52b include ink fountains 161a and 161b and ink original rollers 162a and 162b, ink delivery rollers 163a and 163b, ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b,
  • the first ink form rollers 166a and 166b and the second ink form rollers 167a and 167b are configured.
  • the ink reciprocating rollers 165a and 165b, the plate cylinders 42a and 42b, and the blanket cylinders 32a and 32b can be driven and rotated in synchronization by the first driving devices 171a and 171b.
  • the ink transfer rollers 163a and 163b, the ink kneading rollers 164a and 164b, and the ink adhering rollers 166a, 166b, 167a, and 167b that directly or indirectly contact the ink reciprocating rollers 165a and 165b and the plate cylinders 42a and 42b,
  • the first driving devices 171a and 171b can be driven and rotated by a driving force based on the first driving devices 171a and 171b.
  • the ink reciprocating rollers 165a and 165b can be reciprocated in the axial direction by the swinging devices 181a and 181b.
  • the second ink adhering rollers 167a and 167b receive a swinging force from the ink reciprocating rollers 165a and 165b. It can be reciprocated by being connected in the axial direction.
  • the dampening devices 62a and 62b have leveling rollers 191a and 191b that come into contact with the ink kneading rollers 164a and 164b, respectively.
  • the leveling rollers 191a and 191b are set to have a smaller diameter than the ink kneading rollers 164a and 164b.
  • the leveling rollers 191a and 191b can be rotated together by contacting the ink kneading rollers 164a and 164b with a predetermined nip pressure (nip width).
  • the dampening devices 62a and 62b have a spray nozzle so that granular dampening water can be supplied, and supply the dampening water directly to the ink kneading rollers 164a and 164b by a spray method.
  • the dampening devices 62a and 62b can supply dampening water to the upstream side in the rotational direction of the ink kneading rollers 164a and 164b with respect to the leveling rollers 191a and 191b.
  • dampening devices 62a and 62b are disposed on one side of the ink kneading rollers 164a and 164b, and leveling rollers 191a and 191b are disposed below the dampening devices 62a and 62b on one side.
  • the dampening devices 62a and 62b and the leveling rollers 191a and 191b are positioned vertically.
  • the leveling rollers 191a and 191b are rubber rollers or chrome (metal) rollers whose main component of the surface material is chrome.
  • the ink base rollers 162a and 162b rotate, and a predetermined amount of ink is delivered from the ink fountains 161a and 161b to the ink kneading rollers 164a and 164b through the ink delivery rollers 163a and 163b.
  • the dampening devices 62a and 62b supply dampening water upstream of the contact positions of the ink kneading rollers 164a and 164b with the leveling rollers 191a and 191b.
  • the dampening water supplied to the surfaces of the ink kneading rollers 164a and 164b is spread in the circumferential direction and the axial direction at the nip portion with the leveling rollers 191a and 191b, and a water film having a uniform thickness is formed. It is formed.
  • the dampening devices 62a and 62b supply dampening water to the ink kneading rollers 164a and 164b
  • the leveling rollers 191a and 191b are positioned below the supply position for the ink kneading rollers 164a and 164b. Even if the dampening devices 62a and 62b supply the spray-type granular dampening water, most of the dampening water is supplied to the ink kneading rollers 164a and 164b or the leveling rollers 191a and 191b. Water can be supplied.
  • the ink reciprocating rollers 165a and 165b reciprocate in the axial direction with respect to the ink kneading rollers 164a and 164b, the ink and the fountain solution are uniformly spread in the axial direction, that is, the width direction of the web W, Ink is kneaded to a predetermined viscosity.
  • the ink and dampening water formed to have a predetermined film thickness are supplied from the ink reciprocating rollers 165a and 165b to the first and second ink application rollers 166a, 166b, 167a and 167b, and the ink application rollers 166a and 166b.
  • 167a and 167b are supplied to the plate surfaces (image line portion and non-image line portion) of the plate cylinders 42a and 42b.
  • the ink adhered to the plate surfaces of the plate cylinders 42a and 42b is transferred to the blanket cylinders 32a and 32b, and a predetermined printing pressure is applied to the web W between the pair of blanket cylinders 32a and 32b.
  • the ink on the blanket cylinders 32a and 32b is transferred to the surface of the web W as a pattern, and duplex printing is performed.
  • the ink kneading rollers 164a and 164b are supplied with dampening water from the dampening devices 62a and 62b after the ink is supplied from the ink delivery rollers 163a and 163b. Therefore, the ink film and the water film are supplied from the ink kneading rollers 164a and 164b to the plate cylinders 42a and 42b through the ink application rollers 166a, 166b, 167a and 167b, respectively. After the ink is supplied, the ink film is supplied.
  • Dampening devices 62a and 62b that can supply dampening water upstream of the contact positions of the leveling rollers 191a and 191b and the leveling rollers 191a and 191b of the ink kneading rollers 164a and 164b are provided.
  • the dampening water is transferred from the ink kneading rollers 164a and 164b to the leveling rollers 191a and 191b to form a water film. Is done.
  • the water film can be obtained by smoothing the dampening water supplied to the ink kneading rollers 164a and 164b in the circumferential direction and the axial direction. Can be made uniform, and a stable water film can be supplied downstream.
  • the leveling rollers 191a and 191b are rubber rollers, the weight of the rollers can be reduced, and the maintainability can be improved. In addition, the weight of the leveling rollers 191a and 191b can be easily rotated by receiving the rotational force of the ink mixing rollers 164a and 164b. On the other hand, if the leveling rollers 191a and 191b are chrome rollers, the hydrophilicity of the roller surface can be secured to form a stable water film, and the durability can be improved and the life can be extended. Can do.
  • FIG. 14 is a schematic view showing a roller arrangement of a printing unit in a newspaper offset rotary printing press as a printing press according to Embodiment 6 of the present invention.
  • symbol is attached
  • the stack 22 in the printing unit U1 includes a pair of blanket cylinders 32a and 32b, a pair of plate cylinders 42a and 42b, and a pair of ink supply devices. 52a, 52b and a pair of dampening devices 62a, 62b.
  • the ink supply devices 52a and 52b include ink fountains 161a and 161b and ink original rollers 162a and 162b, ink delivery rollers 163a and 163b, ink kneading rollers 164a and 164b, ink reciprocating rollers 165a and 165b,
  • the first ink form rollers 166a and 166b and the second ink form rollers 167a and 167b are configured.
  • the ink reciprocating rollers 165a and 165b, the plate cylinders 42a and 42b, and the blanket cylinders 32a and 32b can be driven and rotated in synchronization by the first driving devices 171a and 171b.
  • the ink transfer rollers 163a and 163b, the ink kneading rollers 164a and 164b, and the ink adhering rollers 166a, 166b, 167a, and 167b that directly or indirectly contact the ink reciprocating rollers 165a and 165b and the plate cylinders 42a and 42b,
  • the first driving devices 171a and 171b can be driven and rotated by a driving force based on the first driving devices 171a and 171b.
  • the ink reciprocating rollers 165a and 165b can be reciprocated in the axial direction by the swinging devices 181a and 181b.
  • the second ink adhering rollers 167a and 167b receive a swinging force from the ink reciprocating rollers 165a and 165b. It can be reciprocated by being connected in the axial direction.
  • the dampening devices 62a and 62b have leveling rollers 192a and 192b that come into contact with the ink kneading rollers 164a and 164b, respectively.
  • the leveling rollers 192a and 192b are set to have a smaller diameter than the ink kneading rollers 164a and 164b.
  • the leveling rollers 192a and 192b can be rotated together by contacting the ink kneading rollers 164a and 164b with a predetermined nip pressure (nip width).
  • the dampening devices 62a and 62b have a spray nozzle so that granular dampening water can be supplied, and supply the dampening water directly to the ink kneading rollers 164a and 164b by a spray method.
  • the dampening devices 62a and 62b can supply dampening water to the upstream side in the rotation direction from the contact position of the ink kneading rollers 164a and 164b with the leveling rollers 192a and 192b.
  • dampening devices 62a and 62b are arranged on one side of the ink kneading rollers 164a and 164b, and leveling rollers 192a and 192b are arranged below the dampening devices 62a and 62b on one side.
  • the dampening devices 62a and 62b and leveling rollers 192a and 192b are positioned vertically.
  • the ink kneading rollers 164a and 164b can reciprocate along the axial direction.
  • the ink kneading rollers 164a and 164b receive a swinging force from the ink reciprocating rollers 165a and 165b that are in contact with each other, and are reciprocally moved in the axial direction.
  • the ink base rollers 162a and 162b rotate, and a predetermined amount of ink is delivered from the ink fountains 161a and 161b to the ink kneading rollers 164a and 164b through the ink delivery rollers 163a and 163b.
  • the dampening devices 62a and 62b supply dampening water upstream of the contact positions of the ink kneading rollers 164a and 164b with the leveling rollers 192a and 192b.
  • the dampening water supplied to the surfaces of the ink kneading rollers 164a and 164b is spread in the circumferential direction and the axial direction at the nip portion with the leveling rollers 192a and 192b, and a water film having a uniform thickness is formed. It is formed.
  • ink kneading rollers 164a and 164b reciprocate, slip occurs between the ink kneading rollers 164a and 164b and the leveling rollers 192a and 192b, and the dampening supplied to the ink kneading rollers 164a and 164b. Water is smoothed at the nip portion, and a water film having a uniform thickness can be formed on the ink kneading rollers 164a and 164b.
  • the ink reciprocating rollers 165a and 165b reciprocate in the axial direction with respect to the ink kneading rollers 164a and 164b, the ink and the fountain solution are uniformly spread in the axial direction, that is, the width direction of the web W, Ink is kneaded to a predetermined viscosity.
  • the ink and dampening water formed to have a predetermined film thickness are supplied from the ink reciprocating rollers 165a and 165b to the first and second ink application rollers 166a, 166b, 167a and 167b, and the ink application rollers 166a and 166b.
  • 167a and 167b are supplied to the plate surfaces (image line portion and non-image line portion) of the plate cylinders 42a and 42b.
  • the ink adhered to the plate surfaces of the plate cylinders 42a and 42b is transferred to the blanket cylinders 32a and 32b, and a predetermined printing pressure is applied to the web W between the pair of blanket cylinders 32a and 32b.
  • the ink on the blanket cylinders 32a and 32b is transferred to the surface of the web W as a pattern, and duplex printing is performed.
  • the ink kneading rollers 164a and 164b are supplied with dampening water from the dampening devices 62a and 62b after the ink is supplied from the ink delivery rollers 163a and 163b. Therefore, the ink film and the water film are supplied from the ink kneading rollers 164a and 164b to the plate cylinders 42a and 42b through the ink application rollers 166a, 166b, 167a and 167b, respectively. After the ink is supplied, the ink film is supplied.
  • a dampening device 62a that can supply dampening water upstream of the contact positions of the leveling rollers 192a and 192b that come into contact with the rollers 164a and 164b and the leveling rollers 192a and 192b in the ink kneading rollers 164a and 164b. 62b.
  • the ink kneading rollers 164a and 164b reciprocate, slip occurs between the ink kneading rollers 164a and 164b and the leveling rollers 192a and 192b, and the ink kneading rollers 164a and 164b from the dampening devices 62a and 62b.
  • the dampening water supplied to the water is leveled between the ink kneading rollers 164a and 164b and the leveling rollers 192a and 192b, so that a water film having a uniform thickness can be supplied downstream. it can.
  • the ink kneading rollers 164a and 164b are configured to reciprocate.
  • the leveling rollers 192a and 192b may be configured to reciprocate, or the leveling rollers may be the ink kneading rollers 164a and 164b. Both 192a and 192b may be configured to reciprocate.
  • the dampening devices 62a and 62b having spray nozzles are used in order to enable the dampening device to supply the dampening water in a granular form to the ink kneading roller.
  • the present invention is limited to this configuration. Is not to be done.
  • a brush-type dampening device may be used. This brush-type dampening device rotates a water source roller composed of a synthetic fiber brush roller, and sprays water droplets on the brush by a doctor to generate granular dampening water. To supply.
  • the driving force from the first driving device is described as being input to the plate cylinder, but may be input to the blanket cylinder or input to the impression cylinder. That is, the driving force from the first driving device directly or indirectly drives and rotates the plate cylinder, and the driving force drives the ink application roller, the ink reciprocating roller, the ink kneading roller, the ink delivery roller and the like. If you can do it.
  • the outer diameter (peripheral length) of the first ink application roller is the same as that of the plate cylinder, and the outer diameter (peripheral length) of the second ink application roller is smaller than that of the plate cylinder.
  • the landing roller is disposed in contact with the downstream side in the rotational direction of the plate cylinder, and the second ink deposition roller is disposed in contact with the upstream side in the rotational direction of the plate cylinder. You may arrange
  • the blanket cylinder is doubled with respect to the plate cylinder, but the plate cylinder and the blanket cylinder may have the same diameter.
  • the ink reciprocating rollers 105a, 105b, 165a, and 165b can be reciprocated in the axial direction by the swinging devices 131a, 131b, 181a, and 181b.
  • the ink reciprocating rollers 105a, 105b, 165a, and 165b reciprocate once while the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, and 44b rotate 6-15 times.
  • the ink reciprocating rollers 105a, 105b, 165a, and 165b reciprocate once while the plate cylinders 41a, 41b, 42a, 42b, 43a, 43b, 44a, and 44b rotate 5 times, vibration is likely to occur, and the plate cylinder 41a. , 41b, 42a, 42b, 43a, 43b, 44a, 44b, when the ink reciprocating rollers 105a, 105b, 165a, 165b reciprocate once, the ink film thickness does not become uniform and the print quality becomes uniform. descend.
  • the reduction ratio between the worm gear 204 and the worm wheel 210 may be changed in the structure shown in FIGS. Further, in order to adjust the amount of movement of the ink reciprocating rollers 105a, 105b, 165a, 165b, the amount of eccentricity e between the axis of the eccentric shaft 207 and the axis of the shaft portion 208 may be changed. Further, it may be configured to adjust the period and the moving amount of the ink reciprocating rollers 105a, 105b, 165a, 165b using a motor.
  • the ink delivery rollers 103a, 103b, 163a, 163b are metal rollers
  • the surface is provided with an 11-polyamide film or a 12-polyamide film
  • the surface has a plurality of corners inclined by a predetermined angle ⁇ . 111, and a plurality of corners 111 scrape off the ink, whereby a predetermined amount of ink can be supplied.
  • a smooth roller without the corner 111 on the surface can be used.
  • a grid-like pattern can be formed on the roller surface, a copper plating film can be formed on the roller surface, and a grid can be formed on the copper plating film.
  • An eye-shaped pattern can be formed.
  • the printing press of the present invention has been described as applied to a newspaper offset rotary printing press, but may be applied to a commercial offset rotary printing press, an offset sheet-fed printing press, and the like. It may be a double-sided printing machine or a single-sided printing machine.

Abstract

Dans la machine d'impression et le procédé de fourniture d'encre, l'amélioration de la qualité d'impression est permise grâce à la fourniture de réservoirs d'encre (101a, 101b), de rouleaux encreurs (102a, 102b), de rouleaux de distribution d'encre (104a, 104b), de rouleaux preneurs d'encre (105a, 105b), de premier et second rouleaux toucheurs de diamètres différents (106a, 106b, 107a, 107b), de cylindres porte-plaque (41a, 41b), de cylindres porte-blanchet (31a, 31b) et de dispositifs de mouillage (61a, 61b) permettant de fournir une solution de mouillage aux rouleaux de distribution d'encre (104a, 104b).
PCT/JP2013/072746 2012-09-04 2013-08-26 Machine d'impression et procédé de fourniture d'encre WO2014038425A1 (fr)

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JP2014534306A JP5800442B2 (ja) 2012-09-04 2013-08-26 印刷機及びインキ供給方法

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JP2012269843 2012-12-10
JP2012-269843 2012-12-10

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JPH07186568A (ja) * 1993-12-27 1995-07-25 Kin Yosha Kk 印刷機用湿し水ローラ
JPH0885196A (ja) * 1994-08-30 1996-04-02 Man Roland Druckmas Ag オフセット印刷機
JPH10296956A (ja) * 1997-04-25 1998-11-10 Toshiba Mach Co Ltd 印刷ユニット
JP2000037845A (ja) * 1998-07-13 2000-02-08 Heidelberger Druckmas Ag 巻き取り紙輪転印刷機内で刷りたての湿ったウエブを転向するための装置及び巻き取り紙輪転印刷機
JP2002361824A (ja) * 2001-06-05 2002-12-18 Nof Corp オフセット印刷用ゴムローラーおよびオフセット印刷機
JP2004083871A (ja) * 2002-06-26 2004-03-18 The Inctec Inc インキローラーの収縮を抑制するインキ
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