A gravure gluing device and gluing method for fancy reflective fabric with large patterns

Abstract

The invention discloses a gravure gluing apparatus of a large pattern of a fancy light reflection fabric. The apparatus comprises an upper pressure roller, a gravure gluing roller, a glue scraper knife and a glue supply mechanism, the upper pressure roller and the gravure gluing roller are arranged up and down, a transmission channel is arranged between the upper pressure roller and the gravure gluing roller, a bead planting membrane is in contact with the roller surface of the upper pressure roller and the gravure gluing roller respectively, the glue scraper knife is positioned at one side of the gravure gluing roller, the glue scraper knife is in contact with the surface of the gravure gluing roller, the surface of the gluing roller is provided with a printing pattern, the printing pattern is composed of a plurality of uniformly-distributed isotropic gluing grooves used for accommodating printing glue, and the bottom of the gravure gluing roller is placed in the glue supply mechanism and is in contact with the glue in the glue supply mechanism. The apparatus can effectively solve the problems of glue spilling and glue discontinuity, allows the thickness of a glue layer to be uniform, has no restriction on the size of the printing pattern, and can be used to produce large-pattern products. The invention also provides a gluing method of the large pattern of the fancy light reflection fabric. The method has the advantages of simple steps, good production continuity and suitableness for industrial production.

Description

technical field [0001] The invention relates to the technical field of reflective fabric production, in particular to a gravure gluing device and a gluing method for fancy reflective fabric with large patterns. Background technique [0002] Fancy reflective fabrics are also called reflective fabrics and retro-reflective fabrics. It applies glass beads to the fabric and uses the optical principle of refraction and reflection in the glass beads to make the reflected light mostly in the direction of the incident light. Returning to the direction of the light source, it is widely used in traffic safety equipment, uniforms, work clothes, film, protective clothing and other fields that are closely related to the safety of human life and property. This kind of fancy reflective fabric is made by using the principle of retro-reflective glass beads with high refractive index and advanced technology of post-focusing treatment. It can reflect the distant direct light back to the lumino...

AI Technical Summary

Problems solved by technology

The rubber roller has the following defects: the printed pattern area on the rubber roller is large, the amount of glue applied is large, and the amount of deformation generated during gluing is also large, and the glue in the printed pattern area on the rubber roller is easily squeezed out , resulting in the problem of glue overflow, and the larger the pattern, the more serious the glue overflow problem of the product, so it is not suitable to produce patterns with large patterns. In addition, due to the large area of ​​the printed pattern on the surface of the upper rubber roller, the edge of the squeegee will be The horizontal line segment overlaps with the printed pattern area on the top rubber roller. Under the action of pressure, the blade of the squeegee will deform and extend into the printed pattern area of ​​the horizontal line segment to scrape away the glue, so that there will be a lack of glue in the area. Glue breakage occurs during printing

[0004] The most important thing is that the printing patterns on the surface of the top rubber roller are made by corrosion method, because the printing pattern on the surface of the top rubber roller is the entire pattern area, and the pattern patterns on the same roller surface are large and small Therefore, when corroding the roll, the pattern with a large area has a deep corrosion depth, and the pattern with a small area has a shallow corrosion depth, resulting in a large amount of glue applied to the deeply corroded place, and a small amount of glue applied to the shallow place, which is reflected in the appearance of glue on the product. The thickness of the layer is uneven, which affects the quality of the product, so it is not suitable for printing large patterns

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