JPS5968242A - Multi-color printing roll - Google Patents

Abstract

PURPOSE:To prevent the lowering of quality of dyed cloth by a method in which supply rolls for a dying paste and a colorless paste are alternately set correspondingly to each storage tank, and a carved portion and a non-carved portion are alternately provided to a carving roller. CONSTITUTION:A dying paste 7 in a dying paste storage tank 1 is supplied to a carving roll 3 by a supply roll 2 and then scraped down by a scraper 4 so as to form a properly thin layer before being touched by a cloth 6 to be printed. The dying paste storage tank 1 is set alternately with a colorless paste storage tank 1' through a partition plate 8. In the carving roll 3, a carving portion 3' and a non-carving portion 3 are alternately provided correspondingly to the dying paste storage tank 1 and the colorless paste storage tank 1', and coated with corresponding pastes by supply rolls 2 and 2'. In printing the cloth 6 sent by the supply roll 5, the lowering of the print quality due to intermixture of adjacent dying pastes and staining by the scum of dying paste can be avoided.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for simultaneously printing in multiple colors using one engraving roller. To perform multicolor printing using current printing equipment, as many engraving p-colors as the number of colors are required. In other words, only - colors can be printed with one engraving roller.

In the past, attempts have been made to develop methods and devices that print in multiple colors simultaneously using a single engraving roller, but the biggest problem with this is that adjacent dye pastes mix with each other, making the boundaries between the multiple colors unclear. Alternatively, dyeing paste residue accumulates and sticks on the printing roller, causing stains, scratches, peeling, etc. on the dyed fabric and deteriorating the quality of the dyed fabric, which has not been successful. The present invention is an apparatus that solves the above-mentioned problems by repeatedly studying the problems of the prior art, and simultaneously prints in multiple colors using a single engraving p-ler. That is, the present invention is a dyeing paste storage tank.

A supply roller that supplies dyeing paste from the dyeing paste storage tank to the engraving roller (printing roller), scrapes the dyed paste layer on the engraving p-teller to an appropriate thin layer before the engraving p-teller and the fabric to be printed come into pressure contact. In a roller printing device that has a scraping device, an engraving roller, and a printing fabric supply section, the dyed paste storage tank and the colorless glue storage Ld are arranged alternately, and the dyed paste scraper is arranged between the dyed paste storage tank and the colorless glue storage tank. A partition plate is provided so as to expand toward the drop side, and dyed paste supply rollers and colorless glue supply rollers are arranged alternately corresponding to the storage tank, and an engraved roller having engraved portions and non-engraved portions alternately. A multi-colored page characterized by being provided with a printing fabric supply section.
- Color printing equipment.

In general, a roller printing device consists of a storage tank for storing dyed paste, a supply roller that supplies the dyed paste from the dyed paste storage tank to the engraving p-layer, and an excess on the engraving p-layer before the engraving roller presses against the fabric to be printed and prints. It consists of mechanisms such as a scraping tool that scrapes off the high viscosity dyed paste laminated on the paper to create an appropriately thin layer, an engraving roller, and a fabric supply roller that continuously supplies the fabric to be printed. In that case, the dyeing paste supplied by the supply roller that supplies the dyeing paste to the engraving roller has a high viscosity, so it sticks to the roller with adhesive force and is pulled up. A roller with an uneven or serrated surface to increase the surface area is often used. A suitable gap of, for example, several M1 is provided between the supply roller and the engraving roller. This is to allow the remaining glue after the dyeing paste is supplied from the supply roller to the engraving roller to flow back into the dyeing paste storage tank. The dyeing paste supplied from the supply roller is excessively layered on the engraving roller, so it is necessary to scrape it off and leave only the groups necessary for printing, leaving an appropriate thin layer. Excess dyed paste is scraped off by a scraper before the paste is printed on the fabric to be printed.

After that, the engraving roller makes an impression on the fabric to be printed.

The present invention has the following 1% characteristic in the conventional p-lar printing apparatus as described above.

(1) A colorless paste storage tank was installed between the dyed paste storage tank and the dyed paste storage tank.

(2) A partition plate was provided between the dyed paste storage tank and the colorless glue storage tank so as to expand toward the dyed paste scraping side.

(3) Dyed paste supply rollers and colorless paste supply rollers are arranged alternately in correspondence with the storage tanks.

(4) Similarly, an engraving roller having alternately engraved portions and non-engraved portions corresponding to the storage tank was used.

(The purpose of the colorless glue storage tank in step (1) is to prevent mixing of the five dyes.Also, this colorless glue storage tank may be used to continuously supply colorless glue, but liquids with a lower viscosity than the dyed paste A similar effect can be obtained by substituting a liquid that is difficult to mix with the dyeing paste.

(2) A partition plate is provided between the dyed paste storage tank and the colorless glue storage tank so that it expands toward the dyed paste scraping side.

This is due to the following reason. Comparing the area where the dyed glue is passed between the dyed glue supply roller and the engraving Rosie and the area where the engraving roller scrapes off the excess dyed glue with the scraping tool, it is found that the excess dyed glue is scraped off by the scraping tool. The area where the dyeing paste is attached on the engraving roller is wider than the area where the dyeing paste is attached. This is due to the action of the scraping tool. Therefore, in order to prevent the dyed paste flowing back from the engraving roller to the dyed paste storage tank from flowing back into other storage tanks, it is necessary to provide the partition plate so as to expand toward the dyed paste scraping side.

(3) Next, dyed paste supply rollers and colorless paste supply rollers are provided alternately corresponding to the storage tanks in order to supply the multicolored paste to the engraving rollers in divided form.

(4) In the same way, in order to print the multicolored glue on the fabric to be dyed with a divided tile, the engraving roller is also a roller that has engraved parts and non-engraved parts alternately corresponding to the divisions of the storage tank, and the engraved part is dyed. In order to improve the adhesion of glue, for example, a satin finish or a patterned finish is applied, and non-engraved areas are given a finish such as a mirror finish to make the adhesion of the dyed paste as difficult as possible and to facilitate the removal of the dyed paste with a scraping tool. administer.

The features of the apparatus of the present invention have been explained in detail above, and the present invention will now be explained with reference to the drawings. In FIG. 1, 1 is a dyeing paste storage tank, and 2 is a supply roller that supplies the dyeing paste from the dyeing paste storage tank to the engraving roller 3.

4 is a scraping tool that scrapes off the dyed paste on the engraving roller into a suitable thin layer before the engraving roller and the fabric to be printed come into pressure contact; 5;
6 is a supply roller that supplies the fabric to be dyed, and 6 is the fabric to be printed. 7 is a dyeing paste, which has a very high viscosity, so after being pulled down by the supply roller 2, it accumulates on the gap between the engraving roller and passes through the gap to the dyeing paste storage 41.
It is refluxed to #1. The dyed paste is also returned to the dyed paste storage tank 1 by the scraping tool 4.

FIG. 2 is a front view of the dyed paste and non-dyed paste storage tanks of the present invention. 1 is a dyed paste storage tank, 2 is a dyed paste supply roller, 21 is a colorless paste supply p-ler, and 8 is a partition plate between the dyed paste storage tank and the undyed glue storage tank, which expands toward the scraping tool side. We are open.

FIG. 3 is a front view of the engraving roller in the present invention.

3' is an engraved part, and 3'' is a non-engraved part.

[Brief explanation of drawings]

&3 Construction drawing is a side sectional view of the device of the present invention. FIG. 2 is a front view of the dyeing paste storage tank in the present invention. FIG. 3 is a front view of the engraving roller in the present invention. Patent applicant Teijin Ltd.

Claims (1)

[Scope of Claims] A dyeing paste storage tank, a dyeing paste is supplied from the dyeing paste storage tank to an engraving roller (printing p-ler), and a dyeing tree layer is placed on the engraving roller before the engraving roller and the fabric to be printed are brought into pressure contact. Dyeing is carried out in a roller printing device that has a scraping tool that scrapes off the material to form a suitable thin layer, an engraving roller, and a printing fabric supply section. Colored paste storage tanks and colorless glue storage tanks are arranged alternately, and a partition plate is provided between the dyed paste storage tank and the colorless glue storage tank so as to expand toward the dyed paste scraping side, and the partition plates are arranged alternately in correspondence with the above storage tanks. A multicolor roller textile printing apparatus comprising a dyed paste supply roller and a colorless paste supply roller, an engraved printer having engraved parts and non-engraved parts alternately, and a printed fabric supply part.