CN218838922U

CN218838922U - Gravure printing roller

Info

Publication number: CN218838922U
Application number: CN202223086279.9U
Authority: CN
Inventors: 林子淳; 林学回
Original assignee: Wenzhou Wanxing Plate Making Co ltd
Current assignee: Wenzhou Wanxing Plate Making Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-11
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to a printing technology field specifically is a gravure printing roller, including main version roller, two connecting axles of the both ends middle part fixedly connected with of main version roller, two the equal fixedly connected with sawtooth in outside of connecting axle, two fixed orificess, two jacks and four first connecting grooves have been seted up respectively to the both ends of main version roller, the wind channel has been seted up at the inboard middle part of main version roller, a plurality of wind hole has been seted up to the side in wind channel, first wind cavity has been seted up to the inside of main version roller, vice version roller has been cup jointed in the outside of sawtooth, and the printing roller after the improvement is connected two sections version rollers through fixed screw and fixed orifices, has realized the purpose of printing roller width adjustable, has improved the adaptability of printing roller, gets into the wind cavity of main vice version roller after cooling down through the air-cooler and comes the inside to cool down the processing of printing roller, prevents that version roller high temperature leads to the burning out in long-time working process.

Description

Gravure printing roller

Technical Field

The utility model relates to a printing technology field specifically is a gravure printing version roller.

Background

The printing is a technique of transferring ink to the surface of paper, textile, plastic, leather, PVC, PC and other materials by plate making, inking, pressurizing and other procedures, and the printing is a process of transferring the approved printing plate to the printing stock through printing machinery and special ink.

The types of printing are classified into relief printing, intaglio printing, offset printing, screen printing and inkjet printing, wherein the intaglio printing requires a gravure roller to print, and the traditional gravure roller is usually of a fixed size and requires a large number of gravure rollers to be manufactured in advance, which undoubtedly increases the printing cost.

The inventor finds that the prior art has the following problems in the process of realizing the utility model: 1. the traditional gravure roller is generally in a fixed size, and when different widths are printed, gravure rollers with different widths and models are selected, so that a large number of gravure rollers with different widths need to be manufactured in advance, the adaptability is poor, and the printing cost is increased; 2. and the printing roller also collects a large amount of heat in the printing process, and if the printing roller is not stopped for cooling in time, the printing roller is easy to burn out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gravure printing roller, which aims to solve the problems that the traditional gravure printing roller is generally in a fixed size, can only print products with fixed width and has poor adaptability in the background technology; and the problem that the temperature of the printing roller is too high in the printing process and needs to be stopped periodically for cooling. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gravure printing roller, includes main version roller, two connecting axles of the both ends middle part fixedly connected with of main version roller, two the equal fixedly connected with sawtooth in the outside of connecting axle, two fixed orificess, two jacks and four first connecting grooves have been seted up respectively to the both ends of main version roller, the wind channel has been seted up at the inboard middle part of main version roller, a plurality of wind hole has been seted up to the side in wind channel, first wind chamber has been seted up to the inside of main version roller, vice version roller has been cup jointed in the outside of sawtooth, the second wind chamber has been seted up to the inside of vice version roller, the middle part in second wind chamber runs through there are two fixed screws, four second intercommunication grooves have been seted up to one side of vice version roller, two reference columns of one side fixedly connected with of vice version roller, the tooth's socket has been seted up at one side middle part of vice version roller, the one end fixedly connected with air-cooler of connecting axle.

It is further preferred that the outer dimensional configuration of the serrations is congruent with the inner dimensional configuration of the gullets.

Further preferably, the first air cavity and the second air cavity are communicated with each other through a first communicating groove and a second communicating groove.

Preferably, the air holes are divided into a front section and a rear section, wherein the air holes are close to the air cooler and the air holes are close to the air cooler, the air holes are far away from the air cooler and the air holes are inclined towards the front section and the rear section, and the air holes are inclined towards the front section.

Further preferably, the two fixing screws are in threaded connection with the main plate roller through fixing holes.

Preferably, the two jacks correspond to the two positioning columns one to one, and the cross sections of the jacks and the positioning columns are of square structures.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through inserting the reference column on the vice version roller in the jack on the master edition roller and fix a position two version rollers fast, make first intercommunication groove and second intercommunication groove dock fast, the sawtooth inserts in the tooth's socket simultaneously, can prevent to take place relative rotation between printing in-process version roller, cause the condition of printed pattern dislocation, utilize set screw and fixed orifices to come two sections version rollers to be connected at last, the purpose of galley roller width adjustable has been realized, the adaptability of galley roller has been improved.

The utility model discloses in, in the printing roller is blown in from the wind channel after cooling down the outside air through the air-cooler, the cold air enters into first wind intracavity from the wind hole, is linked together between first wind chamber and the second wind chamber simultaneously for the cold air can get into the wind intracavity of major-minor version roller and come to cool down the processing to printing roller from inside, prevents that version roller high temperature leads to version roller to burn out in long-time working process.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the printing roller of the present invention;

FIG. 3 is a schematic diagram of a side view structure of the main printing roller of the present invention;

fig. 4 is a schematic diagram of the side view structure of the printing plate roller of the present invention.

In the figure: 1. a main printing roller; 2. a connecting shaft; 3. saw teeth; 4. a fixing hole; 5. a jack; 6. a first connecting groove; 7. an air duct; 8. air holes; 9. a first air chamber; 10. a secondary printing roller; 11. a second air chamber; 12. a fixing screw; 13. a second communicating groove; 14. a positioning column; 15. a tooth socket; 16. an air cooler.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the intaglio printing roller comprises a main printing roller 1, two connecting shafts 2 are fixedly connected to the middle portions of two ends of the main printing roller 1, sawteeth 3 are fixedly connected to the outer sides of the two connecting shafts 2, two fixing holes 4, two jacks 5 and four first connecting grooves 6 are formed in two ends of the main printing roller 1 respectively, an air duct 7 is formed in the middle portion of the inner side of the main printing roller 1, a plurality of air holes 8 are formed in the side face of the air duct 7, a first air cavity 9 is formed in the inner portion of the main printing roller 1, an auxiliary printing roller 10 is sleeved on the outer side of each sawteeth 3, a second air cavity 11 is formed in the inner portion of the auxiliary printing roller 10, two fixing screws 12 penetrate through the middle portion of the second air cavity 11, four second communicating grooves 13 are formed in one side of the auxiliary printing roller 10, two positioning columns 14 are fixedly connected to one side of the auxiliary printing roller 10, a tooth groove 15 is formed in the middle portion of one side of the auxiliary printing roller 10, and an air cooler 16 is fixedly connected to one end of each connecting shaft 2.

In the present embodiment, as shown in fig. 1, 3 and 4, the outer dimensional structure of the saw teeth 3 corresponds to the inner dimensional structure of the tooth grooves 15; the main plate roller 1 and the sub plate roller 10 are connected together to perform printing, and the printed patterns or characters are prevented from being misplaced and wasted.

In the present embodiment, as shown in fig. 3 and 4, the first air cavity 9 and the second air cavity 11 are communicated with each other through the first communicating groove 6 and the second communicating groove 13; cold air in the first air cavity 9 can enter the second air cavity 11 through the two communicating grooves to cool the auxiliary plate roller 10.

In this embodiment, as shown in fig. 1, the plurality of air holes 8 are divided into a front section and a rear section, wherein the front section is close to the air cooler 16, the rear section is far from the air cooler 16, the front section air holes 8 are inclined toward the inclined rear section air holes 8, and the rear section air holes 8 are inclined toward the front section air holes 8; the structure can facilitate the cold air to enter the air cavity and also facilitate the discharge of the hot air in the air cavity.

In the embodiment, as shown in fig. 1, two fixing screws 12 are in threaded connection with the main plate roller 1 through fixing holes 4; the main plate roller 1 and the auxiliary plate roller 10 can be connected, so that the main plate roller 1 and the auxiliary plate roller 10 are tightly attached, the gap between the two plate rollers is eliminated, and the phenomenon that the gap is left during printing to influence the printing quality is avoided.

In this embodiment, as shown in fig. 2, 3 and 4, two insertion holes 5 correspond to two positioning pillars 14 one to one, and the cross sections of the insertion holes 5 and the positioning pillars 14 are both square structures; the square structure is more stable, no slipping occurs, a positioning structure is formed between the positioning column 14 and the jack 5, and the main plate roller 1 can be quickly butted with the first connecting groove 6 and the second connecting groove 13 on the auxiliary plate roller 10 by inserting the positioning column 14 into the jack 5.

The utility model discloses a use method and advantage: when the gravure printing plate roller is rolled, the working process is as follows:

as shown in fig. 1, 2, 3 and 4, when the printing width of the printing plate roller needs to be increased, firstly, the positioning column 14 on one side of the secondary plate roller 10 is inserted into the insertion hole 5, and simultaneously, the connecting shaft 2 and the saw teeth 3 on one side of the main plate roller 1 are inserted into the tooth grooves 15 on one side of the secondary plate roller 10, then the fixing screws 12 are screwed into the fixing holes 4 through the second air cavities 11, so that the secondary plate roller 10 is connected with the main plate roller 1, so as to increase the printing width, when the printing plate roller needs to be cooled, the air cooler 16 is started to cool the external air and then blows the external air into the air duct 7, the cold air enters the first air cavity 9 through the air holes 8, and meanwhile, the first air cavity 9 is communicated with the second air cavity 11 through the first connecting groove 6 and the second connecting groove 13, the cold air cools the printing plate roller from the two air cavities, so as to prevent the printing plate roller from being burned due to too high temperature during the printing process, and the air after cooling is discharged into the air duct 7 from the air holes 8, and finally discharged to the outside.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. The skilled worker in this industry should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the preferred embodiments of the present invention, and does not limit the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A gravure printing plate roller comprises a main plate roller (1), and is characterized in that: two connecting axles (2) of both ends middle part fixedly connected with of main version roller (1), two equal fixedly connected with sawtooth (3) in the outside of connecting axle (2), two fixed orifices (4), two jack (5) and four first connecting groove (6) have been seted up respectively to the both ends of main version roller (1), wind channel (7) have been seted up at the inboard middle part of main version roller (1), a plurality of wind hole (8) have been seted up to the side of wind channel (7), first wind chamber (9) have been seted up to the inside of main version roller (1), vice version roller (10) has been cup jointed in the outside of sawtooth (3), second wind chamber (11) have been seted up to the inside of vice version roller (10), the middle part of second wind chamber (11) has run through two set screw (12), four second intercommunication groove (13) have been seted up to one side of vice version roller (10), two reference columns (14) of one side fixedly connected with of vice version roller (10), one side middle part of vice version roller (10) has seted up (15), the one end fixedly connected with tooth's socket (16) of connecting axle (2).

2. A gravure printing cylinder according to claim 1, characterized in that: the external dimension structure of the saw teeth (3) is consistent with the internal dimension structure of the tooth grooves (15).

3. A gravure printing cylinder according to claim 1, characterized in that: the first air cavity (9) is communicated with the second air cavity (11) through a first communicating groove (6) and a second communicating groove (13).

4. A gravure printing cylinder according to claim 1, characterized in that: the air holes (8) are divided into a front section and a rear section, wherein the front section is close to the air cooler (16), the rear section is far away from the air cooler (16), the front section air holes (8) are inclined towards the inclined rear section air holes (8), and the rear section air holes (8) are inclined towards the front section air holes (8).

5. A gravure printing cylinder according to claim 1, characterized in that: the two fixing screws (12) are in threaded connection with the main plate roller (1) through fixing holes (4).

6. A gravure printing cylinder according to claim 1, characterized in that: the two jacks (5) are in one-to-one correspondence with the two positioning columns (14), and the cross sections of the jacks (5) and the positioning columns (14) are both square structures.