CN219360558U

CN219360558U - Switching device of double-sided printing flexible plate rotary press

Info

Publication number: CN219360558U
Application number: CN202223330104.8U
Authority: CN
Inventors: 罗荣跃
Original assignee: Suzhou Shenguang Printing Co ltd
Current assignee: Suzhou Shenguang Printing Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-07-18
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a switching device of a double-sided printing flexible rotary press, which comprises an outer shell, wherein a front printing mechanism, a back printing mechanism, a first guide roller, a second guide roller and a third guide roller are arranged in the outer shell, a front embossing roller is arranged on one side of the front printing mechanism, a back embossing roller is arranged on one side of the back printing mechanism, a printing stock is sequentially wound on one side of the first guide roller, the positive embossing roller, the second guide roller, the back embossing roller and the third guide roller, a first drying mechanism is arranged at the top of the outer shell between the printing roller and the second guide roller, and a second drying mechanism is arranged between the second guide roller and the back embossing roller.

Description

Switching device of double-sided printing flexible plate rotary press

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a switching device of a double-sided printing flexographic rotary press.

Background

Flexography, also commonly referred to as flexography, uses a printing mode in which a flexographic plate transfers ink application by an anilox roller. Flexography, printing plates typically employ photosensitive resin plates having a thickness of 1-5 mm. The inks are classified into three main types, namely water-based ink, alcohol-soluble ink and UV ink. Since the printing ink for flexographic printing accords with environmental protection, the printing ink has been widely used for food packaging printing, and has a broad prospect. Flexography is a type of embossing; the conventional flexography is inconvenient to switch in the double-sided printing switching process, and the switching effect is not ideal.

The switching device of the double-sided printing flexographic rotary press with the application number of CN202123144629.8 in the prior art is arranged in a shell, a front printing mechanism and a back printing mechanism are arranged in the shell, the front printing mechanism and the back printing mechanism are arranged in the shell in an up-and-down staggered way, and the front printing mechanism and the back printing mechanism comprise ink tank boxes, anilox rollers and printing plate rollers; the printing stock is wound on the switching device, and the switching device drives the printing stock to be abutted against the printing plate roller of the front printing mechanism or the back printing mechanism to switch the front printing or the back printing; the utility model provides a switching device of a double-sided printing flexible plate rotary press, which is ingenious in structural arrangement and reasonable in arrangement, a printing object is wound on the switching device, and the switching device drives the printing object to be abutted against a printing plate roller of a front printing mechanism or a back printing mechanism to switch front printing or back printing, but a front printing layer which is printed and printed is not easy to dry and damage when the back printing is carried out, so that the printing quality is influenced, and the efficiency of double-sided printing is influenced.

Disclosure of Invention

The utility model aims to provide a switching device of a double-sided printing flexographic rotary press, which is used for solving the problems that in the prior art, a front printing layer printed and printed is not dried and damaged when reverse printing is carried out, and the printing quality is affected, so that the efficiency of double-sided printing is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-sided printing flexographic rotary press auto-change over device, includes the shell body, the inside positive printing mechanism, reverse side printing mechanism, first guide roll, second guide roll and the third guide roll of being equipped with of shell body, positive embossing cylinder is installed to positive printing mechanism one side, reverse embossing cylinder is installed to reverse side printing mechanism one side, and the stock twines in proper order in first guide roll, positive embossing cylinder, second guide roll, back pressure embossing cylinder and third guide roll one side, first stoving mechanism is installed at the shell body top between embossing cylinder and the second guide roll, be equipped with second stoving mechanism between second guide roll and the back pressure embossing cylinder.

Further, a feed inlet and a discharge outlet are respectively formed in two sides of the bottom of the outer shell, a PLC control cabinet is installed on the outer side of the outer shell, and a ventilation opening is formed in the top of the outer shell.

Further, the front printing mechanism and the back printing mechanism comprise ink tank boxes, anilox rollers and printing plate rollers, and the anilox rollers and the printing plate rollers are rotatably arranged on the upper portions of the ink tank boxes.

Further, electric push rods are arranged on one sides of the positive pressure printing roller and the negative pressure printing roller, and the electric push rods are fixedly arranged on the inner wall of the outer shell.

Further, the first drying mechanism adopts a UV lamp, and the second drying mechanism adopts a hot air drying mode.

Further, the second drying mechanism comprises a first drying cover and a second drying cover, wherein the first drying cover and the second drying cover are arranged on the first drying cover, one end of the first drying cover and one end of the second drying cover are connected with a wind conveying main pipe through wind conveying branch pipes, and a blower is arranged at one end of the wind conveying main pipe through electric heating wires.

Further, an access hole is formed in one side of the outer shell, an access door is hinged in the access hole, and a perspective window is arranged on the upper portion in the access door.

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

1. according to the utility model, the first drying mechanism and the second drying mechanism are arranged in the outer shell, and the printing stock is wound on one side of the first guide roller, the positive pressure printing roller, the second guide roller, the back pressure printing roller and the third guide roller in sequence, so that the printing stock subjected to front printing can be dried, and the two drying modes act simultaneously, so that the drying speed is high, the uniformity is high, the damage of a front printing layer during back printing is prevented, the printing quality is improved, and the efficiency of the double-sided printing is improved.

2. According to the utility model, the second drying mechanism comprises the first drying cover and the second drying cover, one ends of the first drying cover and the second drying cover are connected with the air conveying main pipe through the air conveying branch pipe, and the air blower is arranged at one end of the air conveying main pipe through the electric heating wire, so that the two sides of a printing stock can be simultaneously dried through the first drying cover and the second drying cover, and the drying efficiency is higher.

3. According to the utility model, the access hole is formed in one side of the outer shell, and the access door is hinged in the access hole, so that the inside of the outer shell is convenient to overhaul and maintain, and the perspective window is arranged at the upper part in the access door, so that the printing condition in the inner part of the outer shell is convenient to observe.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a front view of an inner structure of an outer case of the present utility model;

fig. 3 is a schematic structural view of a front printing mechanism according to the present utility model.

In the figure: 1. an outer housing; 2. a front printing mechanism; 3. a reverse printing mechanism; 4. a feed inlet; 5. a discharge port; 6. a positive pressure printing roller; 7. an electric push rod; 8. a counter-pressure printing cylinder; 9. a first guide roller; 10. a first drying mechanism; 11. a ventilation port; 12. a second drying cover; 13. a first drying cover; 14. a wind delivery branch pipe; 15. a wind conveying main pipe; 16. heating wires; 17. a blower; 18. a PLC control cabinet; 19. an access door; 20. a perspective window; 21. an anilox roller; 22. a plate cylinder; 23. an ink tank box; 24. a second guide roller; 25. and a third guide roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2 and fig. 3, in an embodiment of the present utility model, a switching device for a flexographic rotary press for duplex printing includes an outer casing 1, a front printing mechanism 2, a back printing mechanism 3, a first guide roller 9, a second guide roller 24 and a third guide roller 25 are disposed inside the outer casing 1, a front embossing roller 6 is mounted on one side of the front printing mechanism 2, a back embossing roller 8 is mounted on one side of the back printing mechanism 3, and is used for sequentially performing front and back printing processes on a printing object, and the printing object is sequentially wound on one side of the first guide roller 9, the positive printing roller 6, the second guide roller 24, the back embossing roller 8 and the third guide roller 25, a first drying mechanism 10 is mounted on the top of the outer casing 1 between the positive printing roller 6 and the second guide roller 24, a second drying mechanism is disposed between the second guide roller 24 and the back embossing roller 8, the first drying mechanism 10 adopts a UV lamp, and the second drying mechanism adopts a drying mode to perform the drying process on the printing object after the front printing, and the two drying modes simultaneously act, so that the drying speed is fast, the quality of the printing quality of the front printed object is prevented from being damaged, and the printing efficiency is improved.

Preferably, the feed inlet 4 and the discharge outlet 5 are respectively arranged on two sides of the bottom of the outer shell 1, the PLC control cabinet 18 is arranged on the outer side of the outer shell 1, and the ventilation opening 11 is arranged on the top of the outer shell 1, so that ventilation treatment is facilitated.

Preferably, the front printing mechanism 2 and the back printing mechanism 3 all include the ink tank box 23, the anilox roller 21 and the printing plate roller 22 that are equipped with, and anilox roller 21 and printing plate roller 22 rotate and set up in ink tank box 23 upper portion, and electric putter 7 is all installed to positive pressure printing roller 6 and back pressure printing roller 8 one side, and electric putter 7 through installing at fixed mounting at the shell body 1 inner wall for through electric putter 7 drive positive pressure printing roller 6 and back pressure printing roller 8 removal adjustment can carry out printing process in proper order to the printing stock positive and negative both sides, and printing efficiency is higher.

Preferably, the second drying mechanism includes first stoving cover 13 and second stoving cover 12 that are equipped with, and first stoving cover 13 and second stoving cover 12 one end is connected with air conveying house steward 15 through air conveying branch pipe 14, and air-blower 17 is installed through heating wire 16 to air conveying house steward 15 one end for can carry out drying process simultaneously to the both sides of printing stock through first stoving cover 13 and second stoving cover 12, drying efficiency is higher.

Preferably, the access hole has been seted up to shell body 1 one side, and articulates in the access hole has access door 19 for be convenient for carry out the maintenance processing to the inside of shell body 1, perspective window 20 is installed to upper portion in the access door 19, is convenient for observe the inside printing condition of shell body 1.

The working principle and the using flow of the utility model are as follows: the printing material is sequentially wound on one side of the first guide roller 9, the positive pressure printing roller 6, the second guide roller 24, the back pressure printing roller 8 and the third guide roller 25, and is used for sequentially carrying out front and back printing treatment on the printing material, the first drying mechanism 10 is arranged at the top in the outer shell body 1 between the positive pressure printing roller 6 and the second guide roller 24, the second drying mechanism 10 is arranged between the second guide roller 24 and the back pressure printing roller 8, the first drying mechanism 10 adopts a UV lamp, and the second drying mechanism adopts a hot air drying mode, so that the printing material after front printing can be dried, and the two drying modes are simultaneously applied, so that the drying speed is high, the uniformity is strong, the front printing layer is prevented from being damaged when the back printing is carried out, the printing quality is improved, and the double-sided printing efficiency is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a two-sided printing flexographic rotary press auto-change over device, includes shell body (1), its characterized in that: the printing machine is characterized in that a front printing mechanism (2), a back printing mechanism (3), a first guide roller (9), a second guide roller (24) and a third guide roller (25) are arranged inside the outer shell body (1), a front embossing roller (6) is arranged on one side of the front printing mechanism (2), a back embossing roller (8) is arranged on one side of the back printing mechanism (3), printing materials are sequentially wound on one side of the first guide roller (9), the positive embossing roller (6), the second guide roller (24), the back embossing roller (8) and the third guide roller (25), a first drying mechanism (10) is arranged on the inner top of the outer shell body (1) between the positive embossing roller (6) and the second guide roller (24), and a second drying mechanism is arranged between the second guide roller (24) and the back embossing roller (8).

2. The switching device of a duplex printing flexographic printing machine according to claim 1, wherein: the feeding port (4) and the discharging port (5) are respectively formed in two sides of the bottom of the outer shell (1), and the PLC control cabinet (18) is installed on the outer side of the outer shell (1).

3. The switching device of a duplex printing flexographic printing machine according to claim 1, wherein: the front printing mechanism (2) and the back printing mechanism (3) comprise ink tank boxes (23), anilox rollers (21) and printing plate rollers (22), and the anilox rollers (21) and the printing plate rollers (22) are rotatably arranged on the upper portions of the ink tank boxes (23).

4. The switching device of a duplex printing flexographic printing machine according to claim 1, wherein: electric push rods (7) are arranged on one sides of the positive pressure printing roller (6) and the negative pressure printing roller (8), and the electric push rods (7) are fixedly arranged on the inner wall of the outer shell (1) through being arranged.

5. The switching device of a duplex printing flexographic printing machine according to claim 1, wherein: the first drying mechanism (10) adopts a UV lamp, and the second drying mechanism adopts a hot air drying mode.

6. The switching device of a duplex printing flexographic printing machine according to claim 1, wherein: the second drying mechanism comprises a first drying cover (13) and a second drying cover (12), wherein one ends of the first drying cover (13) and the second drying cover (12) are connected with a wind conveying main pipe (15) through a wind conveying branch pipe (14), and one end of the wind conveying main pipe (15) is provided with a blower (17) through an electric heating wire (16).

7. The switching device of a duplex printing flexographic printing machine according to claim 1, wherein: an access hole is formed in one side of the outer shell (1), an access door (19) is hinged in the access hole, and a perspective window (20) is arranged on the upper portion in the access door (19).