CN219969142U

CN219969142U - Auxiliary steel pressing roller structure of gravure printing machine

Info

Publication number: CN219969142U
Application number: CN202321534924.0U
Authority: CN
Inventors: 甘俊棋
Original assignee: Avoteck Film Dongguan Co ltd
Current assignee: Avoteck Film Dongguan Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-11-07
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses an auxiliary steel pressing roller structure of an intaglio printing press, which relates to the technical field of intaglio printing presses and comprises a central spindle, wherein an auxiliary steel pressing roller is arranged on the outer side of the central spindle, mounting rings are arranged at two ends of the inner wall of the auxiliary steel pressing roller, a limiting ring is arranged between the inner wall of the mounting ring and the outer wall of the central spindle, and a top ring positioned at one side of the limiting ring is arranged on the outer wall of the central spindle; according to the technical scheme provided by the utility model, the limiting ring is supported on one side of the mounting ring, so that the mounted auxiliary steel pressing roller is limited, the auxiliary steel pressing roller is guaranteed to have better stability, the top ring is fixedly mounted on the side wall of the central spindle, the mounted top ring is used for fixing the limiting ring, and the central spindle is guaranteed to be accurately positioned and convenient to detach.

Description

Auxiliary steel pressing roller structure of gravure printing machine

Technical Field

The utility model relates to the technical field of intaglio printing presses, in particular to an auxiliary steel pressing roller structure of an intaglio printing press.

Background

Currently, printers are commonly used to print text or graphics. Modern printers produce printing plates from text and images to be printed, and then the printing plates are coated with ink manually or by the printer where the text and images are present, and then transferred directly or indirectly to paper or other printing stock, so that the same print as the printing plates is reproduced. At present, printing is usually performed by adopting an auxiliary steel pressing roller structure of an intaglio printing machine, as disclosed in patent application 202210028376.8, a wide high-speed intaglio printing machine and a printing method thereof are disclosed, and the wide high-speed intaglio printing machine comprises a frame, wherein a double-station unreeling unit, a unreeling deviation corrector, a drawing-in unit, an A-face printing unit, a drying bellows unit, an A-face bellows deviation correcting unit, a B-face printing unit, a CCD flaw detecting unit, a code spraying marking unit, a drawing-out unit and a double-station reeling unit are respectively arranged on the frame. The relative space of the two deviation rectifying concave blocks is positioned at the central position of the winding and unwinding deviation corrector, namely the base material is positioned at the central position at any time, so that the printing unit at the back can be ensured to have good printing accuracy and yield.

However, in this way, the auxiliary embossing steel roller is arranged at the current printing part, but the steel roller has small diameter, so that the single-side wall thickness is easy to be thin, the central spindle is thin, and shaking and printing leakage are easy to occur.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the auxiliary steel pressing roller structure of the intaglio printing machine, which reduces the reject ratio of printed products and solves the defects of the products printed by the auxiliary steel pressing roller structure of the intaglio printing machine in the prior art. For example, the conventional printing part is provided with an auxiliary stamping steel roller, which has small diameter, thin single-side wall, thin central spindle and easy shaking and printing leakage.

In view of this, the technical scheme of the utility model is as follows:

the utility model provides an auxiliary steel roller structure of gravure press, includes the well dabber, the outside of well dabber is provided with auxiliary steel roller, auxiliary steel roller's inner wall both ends all are provided with the collar, be provided with the spacing ring between the outer wall of inner wall and the well dabber of collar, the outer wall of well dabber is provided with the top ring that is located spacing ring one side.

Preferably: the mounting rings are fixedly connected to the two ends of the inner wall of the auxiliary steel pressing roller in an inlaid mode.

Preferably: the cross section of the mounting ring is 7-shaped, and the limiting ring is supported on one side of the mounting ring.

From the above technical solutions, the embodiment of the present utility model has the following advantages:

1. according to the auxiliary steel pressing roller structure of the intaglio printing press, the limiting rings are supported on one side of the mounting rings, so that the auxiliary steel pressing rollers are limited, the auxiliary steel pressing rollers are guaranteed to have good stability, the top rings are fixedly arranged on the side walls of the central shafts, the limiting rings can be fixed by the aid of the mounted top rings, the central shafts are guaranteed to be positioned accurately and detached conveniently, the bearing capacity of the steel pressing rollers is increased, the mirror surfaces are arranged on the surfaces of the auxiliary steel pressing rollers, equipment is enabled to run stably, the pressing force is uniform, the bearing is selected to be an imported brand, the operation failure rate of a machine table is reduced, the additional steel pressing rollers are newly increased in the printing process, and defects such as uneven depth of printed matters and leakage marks and harm to human bodies of operating equipment are reduced.

2. According to the auxiliary steel pressing roller structure of the intaglio printing machine, the intaglio steel roller, the embossing rubber roller and the auxiliary steel pressing roller are vertically integrated at the same position, so that the material cost, the space and the labor cost can be saved.

These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

Drawings

The utility model is further described with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is a schematic view of an installation structure of an auxiliary steel roll structure of the intaglio printing press according to the present utility model.

Reference numerals illustrate: 1. a central spindle; 2. an auxiliary steel pressing roller; 3. a mounting ring; 4. a limiting ring; 5. a top ring; 6. a cylinder; 7. a scraper rack; 8. embossing a rubber roller; 9. PE printing film; 10. a gravure roll; 11. an ink transfer rubber roller; 12. an ink tank; 13. and circulating the ink pump.

Detailed Description

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

An auxiliary steel roller structure of an intaglio printing press according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

Examples.

For easy understanding, referring to fig. 1 to 3, an embodiment of an auxiliary steel pressing roller structure of a gravure press provided by the utility model comprises a central spindle 1, wherein an auxiliary steel pressing roller 2 is arranged at the outer side of the central spindle 1, mounting rings 3 are arranged at two ends of the inner wall of the auxiliary steel pressing roller 2, a limiting ring 4 is arranged between the inner wall of the mounting ring 3 and the outer wall of the central spindle 1, and a top ring 5 positioned at one side of the limiting ring 4 is arranged on the outer wall of the central spindle 1; the mounting rings 3 are fixedly connected to two ends of the inner wall of the auxiliary steel pressing roller 2 in an embedding manner; the cross section of the mounting ring 3 is 7-shaped, and the limiting ring 4 is supported on one side of the mounting ring 3.

It should be noted that, support in one side of collar 3 through spacing ring 4, and then realize spacing to the supplementary steel roll 2 of installing, guarantee that supplementary steel roll 2 possesses better stability, with top ring 5 fixed mounting at the lateral wall of well dabber 1, and then utilize the top ring 5 of installing can realize fixing spacing ring 4, guarantee well dabber 1 accurate positioning, dismantle convenient advantage, the bearing capacity is increased to the steel roll of having also realized simultaneously, supplementary steel roll 2 surface sets up the mirror surface, make equipment operation steady, the pressfitting power is even, and the bearing selects the type to be import brand, reduce the board operation fault rate.

Wherein, this intaglio printing press assists steel roll structure to work the principle as follows in intaglio printing:

the intaglio printing press mainly comprises the following components: unreeling, supplying ink, printing, drying and reeling.

(1) Unreeling part: the PE printing film 9 is continuously fed by tension induction control;

(2) printing part: the gravure roll 10 is vertically and parallelly arranged with the embossing rubber roll 8 and the auxiliary embossing steel roll, the gravure roll 10 drives the embossing rubber roll 8 and the auxiliary embossing steel roll 2 to increase printing pressure, and the air pressure of the air cylinder 6 is adjusted to control tension;

(3) an ink supply portion; the ink delivery rubber roller 11 is partially soaked in the ink tank 12, the ink is transferred to the gravure roller 10 for indirect ink supply, and the circulating ink pump 13 circulates for ink supply;

(4) and (3) a drying part: electric heating, hot air drying the printed matter;

(5) and a winding part: the double-station repeated winding-up the sensor controls the tension and the doctor blade holder 7 is mounted to remove excess ink from the surface of the gravure roll 10.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. An auxiliary steel pressing roller structure of an intaglio printing press is characterized in that: including well dabber (1), the outside of well dabber (1) is provided with supplementary steel roll (2), the inner wall both ends of supplementary steel roll (2) all are provided with collar (3), be provided with spacing ring (4) between the outer wall of inner wall and well dabber (1) of collar (3), the outer wall of well dabber (1) is provided with top ring (5) that are located spacing ring (4) one side.

2. An auxiliary steel roll structure for a gravure printing machine according to claim 1, wherein: the mounting rings (3) are fixedly connected to the two ends of the inner wall of the auxiliary steel pressing roller (2) in an inlaid mode.

3. An auxiliary steel roll structure for a gravure printing machine according to claim 1, wherein: the section of the mounting ring (3) is 7-shaped, and the limiting ring (4) is supported on one side of the mounting ring (3).