Big stamping roller for planetary type flexible printer

Abstract

The utility model relates to a large embossing cylinder of a satellite type flexographic printing machine. The purpose of the invention is to solve the problems of inaccurate overprinting and overall pattern deviation in existing satellite flexo printing machines that use entrainment, and the problem that the groove jaw structure cannot be directly introduced to improve printing quality. Main points of the technical solution: It is a cylindrical body with a central axis, and its characteristics are: the arc surface of the cylindrical body has one or more grooves distributed along the circumferential direction, and each groove is rotated and fitted with a The jaw shaft is arranged in the axial direction. Several jaws are fixed on the jaw shaft. The claw end of the jaw matches the edge of the notch of the groove. The driving end of the jaw shaft protrudes from the side of the cylinder. Each groove One or more entrainment bridge plates arranged along the circumferential direction for supporting entrainment are provided on the notches, and the top surface of the entrainment bridge plate is an arc surface with the same radian as the arc surface of the cylinder.

Description

Technical field [0001] The invention belongs to a part of a printing device, and specifically refers to a large impression cylinder of a satellite flexographic printing press suitable for a sheet substrate (single substrate). Background technique [0002] The satellite type flexographic printing machine that has been commonly used before, its printing structure is composed of a large imprinting cylinder and several printing plate units distributed around it. Generally, it is only suitable for printing on rolls of substrates. The substrate is attached to the substrate during printing. The surface of the large imprinting cylinder advances with the rotation of the large imprinting cylinder, and the printing material is overprinted with a color image and text every time the substrate passes through a printing plate unit. The disadvantage of this satellite flexographic printing machine is that the plate roller and its driving gear of the printing plate unit must be replaced when the p...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the defects of inaccurate overprinting and overall pattern deviation in existing satellite flexo printing machines that use entrainment, and the inability to directly introduce groove jaw structures to improve printing quality, the purpose of the present invention is to provide An improved imprinting large cylinder of a satellite type flexographic printing machine, which can overcome the defects of the prior art

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