Printing roller mounting mechanism of photogravure press

By adopting a hard alloy material and an inclined anti-slip rubber strip design, the problems of wear and reduced clamping force of the ferrule are solved, thereby improving the wear resistance and stability of the ferrule and simplifying the installation process.

CN223701974UActive Publication Date: 2025-12-23RUIAN RUIGUANG PRINTING MASCH CO LTD
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Patent Information

Application Number
CN202520550169.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2025-12-23
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

The ferrule of the plate roller mounting mechanism in existing gravure printing machines is prone to wear, which leads to a decrease in clamping force and affects the stability of plate roller installation. In addition, it has high requirements for the machining accuracy of the plate roller journal, and the clamping effect of the ferrule is easily affected by dimensional deviations.

Method used

The ferrule is made of hard alloy material and has multiple inclined anti-slip rubber strips fixedly connected to the inner wall of the ferrule. The ferrule is equipped with a rotating interlocking structure. The ferrule can be assembled and disassembled by setting a fastener at only one end, which increases the friction between the ferrule and the journal of the printing roller.

Benefits of technology

It improves the service life and wear resistance of the ferrule, enhances the clamping effect between the ferrule and the printing roller journal, simplifies the assembly and disassembly process of the ferrule, and improves the stability of the installation.

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Abstract

The utility model relates to the technical field of photogravure press components, and discloses a photogravure press plate roller mounting mechanism which comprises a first mounting mechanism and a second mounting mechanism, the first mounting mechanism comprises a first clamping sleeve, the second mounting mechanism comprises a second clamping sleeve, and the first clamping sleeve and the second clamping sleeve are both made of hard alloy materials. The clamping sleeve is made of high-strength and wear-resistant materials, namely hard alloy materials, so that the service life of the clamping sleeve can be prolonged, the wear resistance of the clamping sleeve can be improved, in addition, a plurality of anti-skid rubber strips are fixedly connected to the inner wall of the clamping sleeve, and the anti-skid rubber strips in the same clamping sleeve are obliquely arranged at equal intervals, so that the service life of the anti-skid rubber strips is prolonged. The rubber anti-skid structure with the anti-skid lines is arranged on the contact surface of the clamping sleeve and the roller shaft neck, so that the contact friction force can be simultaneously increased from the two aspects of rubber anti-skid material characteristics and mechanical anti-skid lines, and the holding effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the concave printing press component technical field, concretely is a kind of concave printing press plate roller installation mechanism. BACKGROUND

[0002] Concave printing press is a kind of machine using concave to print, with ink layer thick, level rich, stereoscopic, printing quality is good and so on, the plate roller installation of concave printing press needs to use installation mechanism, it includes sleeve type installation mechanism, mainly by sleeve, pivot, nut etc., sleeve is usually semicircular or annular, is sleeved on the journal of plate roller, is connected with pivot by nut, and sleeve is tightly held plate roller journal by tightening nut, realizes the fixation of plate roller.

[0003] The existing concave printing press plate roller installation mechanism still has the following problems when using: its sleeve may appear abrasion after long-term use, resulting in holding force drop, affect the stability of plate roller installation, and the machining precision of plate roller journal is higher, if journal size deviation is larger, the holding effect of sleeve will be affected. UTILITY MODEL CONTENT

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of concave printing press plate roller installation mechanism, solves the problem raised in background art.

[0006] (II) technical scheme

[0007] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of concave printing press plate roller installation mechanism, including first installation mechanism and second installation mechanism, the first installation mechanism includes first sleeve, the second installation mechanism includes second sleeve, the first sleeve and second sleeve are all hard alloy material, the first sleeve and second sleeve are combined and arranged, the second sleeve one end is provided with rotating embedded protrusion, the first sleeve one end is provided with embedded matching groove for rotating embedded protrusion sliding embedding.

[0008] As further scheme of the utility model: the first sleeve inner wall is fixedly connected with a group of first antiskid rubber strip, a group of the first antiskid rubber strip is multiple and is arranged in equidistant inclined state, the second sleeve inner wall is fixedly connected with a group of second antiskid rubber strip, a group of the second antiskid rubber strip is multiple and is arranged in equidistant inclined state.

[0009] As a further scheme of the utility model: the second sleeve top end is provided with a mounting mechanism, the mounting mechanism includes a first connecting seat fixedly connected to the middle part of the second sleeve top end, the mounting mechanism further includes a second connecting seat fixedly connected to the front and back two sides of the second sleeve top end, a through hole is formed between the front and back two side walls above the first connecting seat and the second connecting seat, a second embedding groove is formed in the rear end of the rear second connecting seat, a second embedding antiskid ring is fixedly connected in the second embedding groove, and a second matching mounting protrusion is fixedly connected to the front end of the front second connecting seat.

[0010] As a further scheme of the utility model: the second sleeve top end is provided with a mounting mechanism, the mounting mechanism includes a first connecting seat fixedly connected to the middle part of the second sleeve top end, the mounting mechanism further includes a second connecting seat fixedly connected to the front and back two sides of the second sleeve top end, a through hole is formed between the front and back two side walls above the first connecting seat and the second connecting seat, a second embedding groove is formed in the rear end of the rear second connecting seat, a second embedding antiskid ring is fixedly connected in the second embedding groove, and a second matching mounting protrusion is fixedly connected to the front end of the front second connecting seat.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、the utility model discloses a sleeve is made of high-strength, wear-resistant material, i.e. hard alloy material, which can improve the service life and wear resistance of the sleeve, and a plurality of antiskid rubber strips are fixedly connected to the inner wall of the sleeve, which are arranged in equidistant inclined shape in the sleeve, i.e. the rubber antiskid structure on the contact surface between the sleeve and the plate roller journal is provided with antiskid lines, which can increase the contact friction force from the material properties and mechanical antiskid lines of the rubber antiskid structure, thereby improving the holding effect.

[0013] 2、the utility model discloses that the two sleeves are provided with rotating embedding structures, the top sleeve one end is provided with a rotating embedding protrusion, and the lower sleeve one end is provided with an embedding matching groove for the rotating embedding protrusion to slide and embed, therefore, only a fastener needs to be arranged at the other end of the joint between the two sleeves, compared with the two-sleeve combination connection mode that requires fasteners at both ends, the combination and disassembly between the two sleeves are more convenient. ACCURATE DRAWINGS

[0014] Figure 1 It is the overall three-dimensional structure of the utility model Figure 1 ;

[0015] Figure 2 It is the first mounting mechanism three-dimensional view of the utility model;

[0016] Figure 3 It is the second mounting mechanism three-dimensional view of the utility modelFigure 1 ;

[0017] Figure 4 Second installation mechanism of the utility model Figure 2 .

[0018] In the drawing: 1, first installation mechanism;2, second installation mechanism;11, first sleeve;12, fitting groove;13, first fitting hole;14, first fitting installation block;15, first anti-skid washer;16, first anti-skid rubber strip;21, second sleeve;22, rotating fitting block;23, second fitting hole;24, second anti-skid washer;25, first fitting anti-skid washer;26, first connecting seat;27, second connecting seat;28, second fitting installation block;29, second fitting anti-skid washer;210, second anti-skid rubber strip. DETAILED DESCRIPTION

[0019] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0020] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Please refer to Figures 1 to 4The utility model discloses a kind of gravure printing machine plate roller mounting mechanisms, including first installation mechanism 1 and second installation mechanism 2, first installation mechanism 1 includes first sleeve 11, second installation mechanism 2 includes second sleeve 21, first sleeve 11 and second sleeve 21 are combined and arranged, second sleeve 21 one end is provided with rotating embedded boss 22, first sleeve 11 one end is provided with embedded fitting groove 12 for rotating embedded boss 22 sliding embedding, rotating embedded structure is arranged between its two sleeves, rotating embedded boss 22 is arranged at the upper sleeve one end, and embedded fitting groove 12 for rotating embedded boss 22 sliding embedding is arranged at the lower sleeve one end, therefore, only need to be provided with fastener at the other end of the joint of two sleeves, compared with the two sleeve combination connection mode of fastener at both ends, it is more convenient when carrying out the combination of two sleeves.

[0023] First sleeve 11 and second sleeve 21 are both hard alloy material, first sleeve 11 inner wall is fixedly connected with a group of first antiskid rubber strips 16, a group of first antiskid rubber strips 16 are multiple and arranged in equidistant inclined manner, second sleeve 21 inner wall is fixedly connected with a group of second antiskid rubber strips 210, a group of second antiskid rubber strips 210 are multiple and arranged in equidistant inclined manner, the whole is made of high-strength, wear-resistant material sleeve, i.e. using hard alloy material, can improve the service life and wear resistance of sleeve, in addition, multiple antiskid rubber strips are fixedly connected in the sleeve wall, multiple antiskid rubber strips in the same sleeve are arranged in equidistant inclined manner, i.e. rubber antiskid structure with antiskid pattern is arranged on the contact surface of sleeve and plate roller journal, can simultaneously increase contact friction from the material properties of rubber antiskid and mechanical antiskid pattern, improve its holding effect.

[0024] Second sleeve 21 top end is provided with mounting mechanism, and the mounting mechanism includes first connecting seat 26 fixedly connected to the top middle part of second sleeve 21, and the mounting mechanism further includes second connecting seat 27 fixedly connected to the front and rear sides of the top end of second sleeve 21, through hole is arranged between the upper front and rear walls of first connecting seat 26 and second connecting seat 27, second embedding groove is arranged at the rear end of rear second connecting seat 27, second embedding antiskid ring 29 is fixedly connected in the second embedding groove, second matching installation boss 28 is fixedly connected at the front end of front second connecting seat 27, after plate roller journal is fixed, bolt is arranged in three through holes and second matching installation boss 28, and the whole mounting mechanism is fixed and installed in gravure printing machine corresponding installation station through bolt.

[0025] The second sleeve 21 is provided with a second matching hole 23 between the upper and lower sidewalls of the other end, a first embedding groove is provided above the other end of the second sleeve 21, a first embedding anti-skid ring 25 is fixedly connected in the first embedding groove, a second anti-skid washer 24 is fixedly connected below the other end of the second sleeve 21, the first sleeve 11 is provided with a first matching hole 13 between the upper and lower sidewalls of the other end, a first anti-skid washer 15 is fixedly connected above the other end of the first sleeve 11, a first matching installation protrusion 14 is fixedly connected below the other end of the first sleeve 11, bolts can be arranged in the first matching hole 13, the second matching hole 23 and the second matching installation protrusion 28, the first sleeve 11 and the second sleeve 21 are sleeved and fixed outside the plate roller journal, at this time, the bolts are tightened to make the sleeve tightly hold the plate roller journal, and the fixing of the plate roller is realized.

[0026] The working principle of the utility model is as follows: bolts can be arranged in the first matching hole 13, the second matching hole 23 and the second matching installation protrusion 28, the first sleeve 11 and the second sleeve 21 are sleeved and fixed outside the plate roller journal, at this time, the bolts are tightened to make the sleeve tightly hold the plate roller journal, and the fixing of the plate roller is realized, after the fixing of the plate roller journal, bolts can be arranged in the three through holes and the second matching installation protrusion 28, and the integral installation mechanism is fixedly installed in the corresponding installation station of the intaglio printing press through the bolts, the sleeve is made of high-strength and wear-resistant material, that is, the sleeve is made of hard alloy material, so that the service life and wear resistance of the sleeve are improved, in addition, a plurality of anti-skid rubber strips are fixedly connected to the inner wall of the sleeve, the plurality of anti-skid rubber strips in the same sleeve are arranged in equidistant inclined shapes, that is, the rubber anti-skid structures on the contact surfaces of the sleeve and the plate roller journal are provided with anti-skid lines, the contact friction force can be increased from the material properties of the rubber anti-skid and the mechanical anti-skid lines, and the holding effect is improved.

[0027] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A printing roller mounting mechanism for a gravure printing machine, comprising a first mounting mechanism (1) and a second mounting mechanism (2); Its features are: The first mounting mechanism (1) includes a first ferrule (11), and the second mounting mechanism (2) includes a second ferrule (21). Both the first ferrule (11) and the second ferrule (21) are made of hard alloy. The first sleeve (11) and the second sleeve (21) are arranged in a combined manner. One end of the second sleeve (21) is provided with a rotating fitting protrusion (22), and one end of the first sleeve (11) is provided with a fitting groove (12) for the rotating fitting protrusion (22) to slide and fit. The top of the second sleeve (21) is provided with an installation mechanism. The inner wall of the first sleeve (11) is fixedly connected with a set of first anti-slip rubber strips (16), and the set of first anti-slip rubber strips (16) consists of multiple strips arranged at equal intervals and in an inclined manner. The inner wall of the second sleeve (21) is fixedly connected with a set of second anti-slip rubber strips (210), and the set of second anti-slip rubber strips (210) consists of multiple strips arranged at equal intervals and in an inclined manner.

2. The gravure printing press roller mounting mechanism according to claim 1, characterized in that: The installation mechanism includes a first connecting seat (26) fixedly connected to the middle of the top of the second sleeve (21), and the installation mechanism also includes a second connecting seat (27) fixedly connected to the front and rear sides of the top of the second sleeve (21).

3. The gravure printing press roller mounting mechanism according to claim 2, characterized in that: A through hole is provided between the front and rear side walls above the first connecting seat (26) and the second connecting seat (27).

4. The gravure printing press roller mounting mechanism according to claim 2, characterized in that: The rear end of the second connecting seat (27) is provided with a second fitting groove, and a second fitting anti-slip ring (29) is fixedly connected in the second fitting groove. The front end of the second connecting seat (27) is fixedly connected with a second mating mounting protrusion (28).

5. The gravure printing press roller mounting mechanism according to claim 1, characterized in that: A second mating hole (23) is provided between the upper and lower side walls of the other end of the second sleeve (21). A first fitting groove is provided above the other end of the second sleeve (21). A first fitting anti-slip ring (25) is fixedly connected in the first fitting groove. A second anti-slip washer (24) is fixedly connected below the other end of the second sleeve (21).

6. The gravure printing press roller mounting mechanism according to claim 1, characterized in that: A first mating hole (13) is provided between the upper and lower side walls of the other end of the first sleeve (11).

7. The gravure printing press roller mounting mechanism according to claim 1, characterized in that: A first anti-slip washer (15) is fixedly connected to the upper part of the other end of the first sleeve (11), and a first mating mounting protrusion (14) is fixedly connected to the lower part of the other end of the first sleeve (11).