CN-224224747-U - Splash-proof ink protection structure for intaglio printing press

CN224224747UCN 224224747 UCN224224747 UCN 224224747UCN-224224747-U

Abstract

The utility model discloses an anti-splash protection structure for a gravure printing machine, which comprises a fixed sleeve, wherein a telescopic sleeve capable of sliding along the axial direction of the fixed sleeve is arranged in the fixed sleeve, one end of the fixed sleeve is provided with a flange plate, the outer end of the telescopic sleeve, which is far away from the flange plate, extends out of the fixed sleeve and is rotationally connected with a rotating ring plate through a copper sleeve, a baffle cover is fixedly arranged on the outer wall of the outer end of the telescopic sleeve, the baffle cover is of a fan-shaped structure, the anti-splash protection structure also comprises a plug sleeve, a hole at one end of the plug sleeve is a round hole, the hole at the other end of the plug sleeve is a taper hole, the round hole is communicated with the taper hole, the plug sleeve is fixedly connected with the rotating ring plate through a screw, the outer diameter of the rotating ring plate is larger than the outer diameter of the plug sleeve, and the rotating ring plate and the plug sleeve are both positioned in a covering area of the baffle cover.

Inventors

WU YUKUN
WANG HONGLEI
LI SHENGGUO
ZHANG ZHIBIAO
DING CHANG
GAO KE
WANG CHANGJUN

Assignees

河南银金达彩印股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250613

Claims (5)

1. The splash-proof protection structure for the intaglio printing press comprises a fixed sleeve and is characterized in that a telescopic sleeve capable of sliding along the axial direction of the fixed sleeve is arranged in the fixed sleeve, a flange plate coaxially arranged on the telescopic sleeve is arranged at one end of the fixed sleeve, the outer side end of the telescopic sleeve, which is far away from the flange plate, extends out of the fixed sleeve and is rotationally connected with a rotating ring plate through a copper sleeve, a plurality of connecting holes are formed in the rotating ring plate, a shielding cover is fixedly arranged on the outer wall of the outer side end of the telescopic sleeve, the splash-proof protection structure further comprises a shielding sleeve, a hole at one end of the shielding sleeve is a round hole, a hole at the other end of the shielding sleeve is a taper hole, the round hole is communicated with the taper hole, the shielding sleeve is located at one end face of the corresponding round hole and is fixedly connected with the rotating ring plate through a plurality of screw penetrating the connecting holes and the screw holes, the outer diameter of the rotating ring plate is larger than the outer diameter of the shielding sleeve, the shielding cover is of a fan-shaped structure, and the rotating ring plate and the shielding sleeve are located in a shielding area of the shielding cover.
2. The splash-proof protecting structure for the intaglio printing press according to claim 1, wherein spline grooves are formed in the inner wall of the fixed sleeve at equal intervals, external splines matched with the spline grooves are formed in the outer wall of the telescopic sleeve at equal intervals, and the telescopic sleeve is in sliding connection with the fixed sleeve through the spline grooves and the external splines.
3. The splash-proof protection structure for the intaglio printing press according to claim 1, wherein annular protrusions are arranged on the inner periphery of the rotary ring plate, the annular protrusions of the rotary ring plate are located in the telescopic sleeve, the annular protrusions are rotatably connected with the inner periphery wall of the telescopic sleeve through copper sleeves, and rotary sealing rings are arranged between the annular protrusions and the telescopic sleeve.
4. The splash-proof protecting structure for the intaglio printing press according to claim 1, wherein an annular flange is arranged on the outer periphery of the circumference of the rotating ring disc.
5. The splash-proof protection structure for the intaglio printing press, which is disclosed in claim 1, is characterized in that an annular groove is formed in one end face of the plug sleeve, which is positioned corresponding to the taper hole, a first sealing ring is arranged in the annular groove, and a second sealing ring is arranged between the end faces of the plug sleeve and the rotating ring disc, which are mutually attached.

Description

Splash-proof ink protection structure for intaglio printing press Technical Field The utility model relates to the technical field of printing machines, in particular to an anti-splash protection structure for an intaglio printing machine. Background The gravure printing machine is used as a common means in packaging design, and has the advantages of high gravure inking, good ink saturation, distinct gradation and bright color in the printing process. The high-speed running mode can meet the printing of mass products, the printing quality is stable, and the same batch of products can realize the advantages of no chromatic aberration and the like and are widely applied; the working principle of gravure printing is that a printing plate is directly soaked in an ink tank, printing is completed under the combined pressure of a plate roller, a rubber roller and a printing stock after excessive ink is scraped off by a scraper on one side of the printing plate, the printing plate is cylindrical, when the machine runs at high speed, the ink in the ink tank is easy to splash out of the ink under the action of a certain centrifugal force, the ink splashes onto a printing substrate, the outer surfaces of a top plate shaft and a printing roller plug are stained with a large amount of ink, the printing substrate is extremely difficult to clean, a high-speed gravure printing machine ink splashing prevention device is disclosed in the patent publication No. CN203780017U, the sleeve cups are sleeved on the top plate shaft, one sides of the two sleeve cups are contacted with wallboards, the sleeve cups are arranged on the other sides of the two sleeve cups, the operating side and the wallboard on the transmission side are respectively connected with a support, but a large gap between the baffle and the printing roller plug is reserved between the support and the printing roller plug, the problem of poor protection effect on the top plate shaft and the printing roller plug is solved, the printing roller plug is difficult to mount and dismount. Disclosure of utility model The utility model aims to overcome the existing defects, and provides the splash-proof protective structure for the intaglio printing press, which effectively prevents printing ink on a printing plate roller from splashing on a printing substrate or printing equipment, has good protective sealing effect on a top plate shaft and a printing roller plug, has a simple structure, is convenient to assemble and disassemble, can be self-adaptively adjusted by axial expansion of the top plate shaft, is flexible and convenient to use, and can effectively solve the problems in the background art. The splash-proof protection structure for the intaglio printing machine comprises a fixing sleeve, wherein a telescopic sleeve capable of sliding along the axial direction of the fixing sleeve is arranged in the fixing sleeve, a flange plate coaxially arranged on the fixing sleeve is arranged at one end of the fixing sleeve, the outer side end of the telescopic sleeve, which is far away from the flange plate, extends out of the fixing sleeve and is rotationally connected with a rotating ring plate through a copper sleeve, a plurality of connecting holes are formed in the rotating ring plate, a retaining cover is fixedly arranged on the outer wall of the outer side end of the telescopic sleeve, the splash-proof protection structure also comprises a plug sleeve, the hole at one end of the plug sleeve is a round hole, the hole at the other end of the plug sleeve is a taper hole, the round hole is communicated with the taper hole, the plug sleeve is fixedly connected with the rotating ring plate through a screw through the connecting hole, the outer diameter of the rotating ring plate is larger than the outer diameter of the plug sleeve, and the rotating ring plate and the plug sleeve are both located in a covering area of the retaining cover. Furthermore, spline grooves are formed in the inner wall of the fixed sleeve at equal intervals, external splines matched with the spline grooves are formed in the outer wall of the telescopic sleeve at equal intervals, and the telescopic sleeve is in sliding connection with the fixed sleeve through the spline grooves. Further, the circumference inner edge of the rotating ring disc is provided with an annular bulge, the annular bulge of the rotating ring disc is positioned in the telescopic sleeve, the annular bulge is rotationally connected with the circumference inner wall of the telescopic sleeve through the copper sleeve, and a rotating sealing ring is arranged between the annular bulge and the telescopic sleeve. Further, the circumference outer edge of the rotary ring disc is provided with an annular flange. Further, an annular groove is formed in one end face of the plug sleeve, which corresponds to the taper hole, a first sealing ring is arranged in the annular groove, and a second sealing ring is arranged between the end faces, which