JPH1016190A - Color printing means for disk, card, and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the mixture of ink due to the printing superimposition of each color ink and turbidity of colors caused thereby by conducting two color printing and drying at a first cycle of a turntable and also conducting four color printing of two colors added to two colors and drying at a following second cycle. SOLUTION: Trays 2 are installed in odd numbers on a turntable 1, and the turntable 1 is rotated in step at one step rotation for two trays taking a starting point at a feeding position P1 , and provided such that all of each tray 2 turn back to the feeding position P1 through two cyclical rotations, thereby mounting disks, cards or the like A on the trays 2 at the feeding position P1 at the first cycle to be superimposition printed with two colors and dried by a UV dryer 5 and to be superimposition printed with further two colors at the second cycle and completed in color printing of four colors to subsequently be dried by the dryer 5 and ejected outward at an ejection position P2 .

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION For performing color printing with four primary colors on a disk, card, etc., the first type of turntable is used.
Two-color printing and drying are performed on the second lap, and two-color printing (four colors, color printing is completed) and drying are performed on the second two laps on the second lap, thereby printing the color ink. Provided is a color printing means such as a disk or a card, which can effectively prevent mixing of color inks due to overlapping and turbidity of color due to the mixing, and can continue beautiful printing without maintenance for a long time.

[0002]

2. Description of the Related Art Recently, CDs, DVDs, MDs and other disks (hereinafter referred to as disks), telephone cards, various prepaid cards, various members' cards, IC cards and other cards (hereinafter referred to as cards) have been used. Yes,
They are subjected to color printing or monochrome printing by offset printing, screen printing, or the like.

[0003] Then, a disk by offset printing,
For color printing of cards and the like, a turntable is provided with a tray for placing and transporting disks, cards, etc. at equal angles, and a transfer blanket is reciprocated on the side of the turntable on the side of the turntable for printing. Primary colors (Sumi, Indigo, Crimson, Yellow)
An offset printing machine for simultaneously printing one color on four trays, a UV dryer at a position facing the tray above the turntable, and trays for discs, cards, etc., one after another by a supply means at a supply position. And printing and drying (curing, i.e., curing of the UV ink by irradiation of ultraviolet rays) in the transporting process, and the printed disk, card, etc. are ejected to the outside by the ejection means at the ejection position.
This is performed by color printing means such as a disk and a card.

However, conventional printing by the above-mentioned means is
While the turntable is being rotated step by step for each tray, disks, cards, etc. (usually those printed with solid white, this point is the same in the present invention) are successively placed on the trays by the supply means in the supply device. Since the four primary colors are simultaneously printed on four trays, the discs, cards, etc. on the trays are black, black + red, black + red + blue, and black + red + blue + yellow (total 4 colors, printing end)
Immediately after the previous color ink is printed, the next color ink is overprinted and each color ink is not dried at all, so the transfer blanket of each color is already printed at the same time as transferring the own color ink to a disc, card, etc. The other color ink is picked up and returned, and the picked up other color ink is kneaded with the own color ink.

Therefore, for example, when printing the last yellow, the yellow ink (own color ink) is transferred and the other color ink (black, red, indigo) is picked up at the same time. The color ink is kneaded, the pure color is lost, and the color becomes turbid, so that a beautiful print cannot be obtained.

Therefore, the color purity of each color ink is maintained,
In order to perform beautiful printing, shorten the continuous printing time to reduce the mixing of the color ink, and wash the transfer blanket every short time, and change the ink, especially the yellow ink after each short use. Maintenance such as performing is required, and the trouble, time and cost for the maintenance are enormous.

[0007]

The object of the present invention is to provide a four-hour
Stop overprinting the colors and divide the color into two for each color so that the effect of color ink mixing by overprinting is reduced. 4 in total
After the two-color printing in the first cycle, the sheet is dried through a UV dryer so that at least the ink does not adhere to the transfer blanket.
An object of the present invention is to solve the above-mentioned conventional problems by preventing the previous two colors from being picked up during color printing and allowing high-purity, beautiful printing with little mixing of each color ink to be continued for a long time.

[0008]

That is, according to the present invention, a turntable is provided with a tray on which a disk, a card, and the like are placed and conveyed at equal angles, and a transfer blanket is provided on the side of the turntable on the side of the turntable. Equipped with an offset printing machine that reciprocates and prints one of the four primary colors (black, indigo, red, yellow) simultaneously on four trays, and a UV dryer at a position facing the tray above the turntable Equipped, and if necessary, equipped with a screen printing machine, at the supply position, by means of the supply means, disks, cards, etc. are placed on the tray one after another,
Performing printing and drying in the transport process, provided with a printed disk, card, etc. to be discharged to the outside by a discharge unit at a discharge position, in a disk, card, or other color printing means,

Place an odd number of trays on the turntable,
The turntable is provided so that the turntable is rotated by two trays as one step from the supply position as a starting point, and all the trays return to the supply position by two rotations. , Discs, cards, etc. are placed on the tray one after another, two colors are overprinted, dried by a UV dryer, and two more colors are overprinted on the second lap to complete four color printing. The problem is solved by a color printing means such as a disk or a card, which is dried by a UV dryer and discharged one after another by a discharging means at a discharging position.

[0010]

Embodiment 1 Next, an embodiment of the present invention will be described with reference to the drawings. (FIGS. 1 and 5) FIG. 1 shows an embodiment of a color printing means such as a disc, and FIG. 5 shows an embodiment of a color printing means such as a card. And the like are the same except that the tray, the supply means, and the discharge means are respectively adjusted.

A disk is provided on the turntable 1 at equal angles,
A tray 2 for placing and transporting a card A, etc., and a transfer blanket on a side of the turntable 1;
Reciprocating on the side of the print four primary colors (Sumi, Indigo, Crimson,
An offset printing machine 3 for simultaneously printing one color (yellow) on four trays 2, a UV dryer 5 at a position opposite to the tray 2 above the turntable 1, and screen printing as necessary It includes a machine 4, the disc by the supply means 6 at the feed position P _1, one after another card a tray 2
Placed on performs printing and dried conveyance process, the printed disk, equipped to discharge to the outside by the discharging means 7 the card A at the discharge position P _2, the disk, in the color printing means such as a card ,

[0012] turntable 1 the tray 2 to an odd number established (15 illustrated example, other, 13,17,19 or the like), was tray 2 pieces of rotation starting from the feed position P ₁ to the turntable 1 and step rotates one step, all of the trays 2 is provided to return to the supply position P ₁ at two laps rotate, first
At the supply position P ₁ of the cycle, the discs, cards, etc. A are successively placed on the tray 2 by the supply means 6 by the supply means 6, two colors are overprinted, dried by the UV dryer 5, and further 2 It made it to exit the printing to four-color printing of superimposed colors to discharge one after another outside by ejection means 7 in UV dryer 5 by drying to discharge position P _2, disc, color printing card Means.

That is, the printing order of the specific colors will be described.
(See FIGS. 2 4) disks to be placed one after another on the tray 2 at the feed position P _1, with respect to the card, etc. A, UV dryer Shi overprinting two colors black color and deep blue in the first lap 5 At least to the extent that the ink does not adhere to the transfer blanket, and in the second cycle, red and yellow are overprinted on the two colors to complete the color printing by the four primary colors. Drying by dryer 5 and discharge position P
_In the first lap from the start of operation of the apparatus and the start of supply of discs, cards, etc.
Color, but not discharged because only printing, the second round or later is obtained so as to discharge four color ,,, print end of the disc, sequentially one after another card A from the discharge position P _2.

The screen printer 5 is used to perform clear (transparent) printing on a disk A, a card or the like after color printing as required.

Further, the color printing means of the present invention does not rotate the turntable stepwise by rotating two trays as one step as described above, but rotates the turntable stepwise by rotating one tray as one step as in the prior art. It is also possible to perform the same four-color overprinting as in the prior art.

[0016]

[Action] While step rotating the turntable 1 the two partial trays rotate as a step, the disc by the supply means 6 at the feed position P _1, one after the card A (usually white solid printed ones) on the tray 2 On the other hand, when the offset printing press 3 is operated, the first round of the turntable 1 performs overprinting of two colors of black and indigo on the discs, cards, etc. A on every other tray 2, Dry through a UV dryer 5 at least so that the ink does not adhere to the transfer blanket (see FIG. 2).

In the second lap, two colors, red and yellow, are overprinted on the disc, card, etc., for which printing has been completed, to complete the color printing of the four printing primary colors.
Discharged to the outside with discharge means 7 from the discharge position P ₂ and dried in a UV drier 5. (See Fig. 3)

During this time, new discs, cards, etc. are placed on the empty tray 2 one after another from the supply position P _{1 also in} the second lap, and newly loaded discs, cards, etc. in the second lap. (For these, it is the first round.) Two-color printing of black and blue and drying are performed.

[0019] That is, first round, second round in all the trays 2 in the disc of the turntable 1, a state of mounting the card A, was first reached the discharge position P ₂ in the second round color printed disk, after discharging the card a, the third lap is performed acts in the same state as the second round (2, compared to FIG. 3), one after another without a break from the discharge position P ₂ A, such as a color-printed, dried disk, card, etc., is discharged.

That is, the disk or card or the like on which color printing has been performed is not discharged only in the first cycle, and in the second and subsequent cycles, continuous discharge is performed without interruption as in the related art.

[0021]

[Effect] When performing color printing using four primary color inks, two-color printing and drying are performed in the first cycle of the turntable, and printing and drying of the previous two colors + two colors are performed in the subsequent second cycle. As it was done, mixing of ink by overprinting each color ink and effectively preventing color turbidity due to it,
There is an excellent feature that beautiful printing can be continued for a long time without maintenance, whereby problems such as conventional defective printing and maintenance every short time can be solved.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment (disk or the like) of the present invention.

FIG. 2 is an explanatory diagram of a printing order according to the embodiment of FIG. 1, showing a state of a first round;

FIG. 3 is a diagram showing a state of a second cycle.

FIG. 4 is a diagram showing a state of a third cycle.

FIG. 5 is a plan view of an embodiment (a card or the like) of the present invention.

[Explanation of symbols]

A disk, card, etc. P ₁ supply position P ₂ discharge position 1 turntable 2 tray 3 offset printing machine 4 screen printing machine 5 UV dryer 6 supply means 7 discharge means 8 mask of offset printing machine

Continued on the front page (51) Int.Cl. ⁶ Identification number Reference number in the agency FI Technical display location B41M 1/30 B41M 1/30 Z G03F 7/00 503 G03F 7/00 503

Claims (2)

[Claims] 1. A turntable is provided with a tray for placing and transporting disks, cards and the like at equal angles, and a transfer blanket is reciprocated on the side of the turntable on the side of the turntable so as to print four primary colors. Ink, Indigo, Red, Yellow)
Equipped with an offset printing machine that prints simultaneously on multiple trays,
A UV dryer is provided at a position opposite to the tray above the turntable, and a screen printing machine is provided if necessary. At the supply position, disks, cards, etc. are sequentially placed on the tray by the supply means, and the conveying process is performed. In the color printing measures for discs, cards, etc., provided that the printed discs, cards, etc. are discharged to the outside by the discharge means at the discharge position, an odd number of trays are installed on the turntable, The turntable is provided so that the turntable is rotated by two trays as one step from the supply position as a starting point, and all the trays return to the supply position by two rotations. , Discs, cards, etc. are placed on the tray one after another, two colors are overprinted, dried with a UV dryer, and two more colors are overprinted in the second round to print four colors. A color printing means, such as a disk or a card, which is finished, dried by a UV dryer, and discharged one after another by a discharge means at a discharge position. 2. In a first cycle, two colors of black and indigo are overprinted on a disk, a card, etc. placed on a tray one after another at a supply position, and at least ink adheres to a transfer blanket by a UV dryer. In the second cycle, red and yellow are overprinted on the two colors to finish color printing with the four primary colors, dried with a UV dryer, and discharged one after another at the discharge position. In the first lap from the start of operation of the apparatus and the start of supply of discs, cards, etc., there is no discharge because only two-color printing is performed, but in the second and subsequent laps, discs that have completed four-color printing, 2. A color printing means for discs, cards, etc. according to claim 1, wherein the cards, etc., are successively ejected one after another.