CN211251782U

CN211251782U - Drying device for flexographic printing machine

Info

Publication number: CN211251782U
Application number: CN201922104624.9U
Authority: CN
Inventors: 刘玲红; 邱诗波; 纪敏; 姚里程
Original assignee: Hubei Danyaxiang Biological Technology Co ltd
Current assignee: Wuhan Danyaxiang Biotechnology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-14
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a drying device for a flexible printing machine, which comprises a base, wherein the base is provided with a rectangular through hole, a transmission mechanism is arranged on the upper side of the base, hydraulic cylinders are arranged on two sides of the base, a fixing plate is fixedly connected on the upper sides of the hydraulic cylinders, one side of the base is fixedly connected with a heat supply mechanism through a bolt, one side of the heat supply mechanism is communicated with a first main pipe and a second main pipe through a hose, one side of the first main pipe is communicated with a first branch pipe, the upper side of the first branch pipe is fixedly connected with the lower side of the fixed plate, a first air outlet is arranged at the lower side of the first branch pipe, one side of the second main pipe is communicated with a second branch pipe, the upper side of the second branch pipe is fixedly connected with the lower side of the base, the utility model is provided with a hot air circulating mechanism, carry out the reutilization to hot-blast, set up two sets of branch pipes, heat simultaneously about the printing paper, improve drying efficiency.

Description

Drying device for flexographic printing machine

Technical Field

The utility model relates to a flexographic printing machine makes the field, specifically is a drying device for flexographic printing machine.

Background

The length of the belt between two printing parts of the flexographic printing machine is 250-400mm, and the flexographic printing speed is generally up to 150m/min, which means that the time for a certain point on a material roll to pass through the drying device is only a fraction to a tenth of a second, so that the drying device of the flexographic printing machine is required to have good drying efficiency. The drying device of the flexographic printing machine is divided into two stages: one stage is color space drying, i.e. the front color ink layer is dried as completely as possible before entering the next printing unit, and the other stage is final drying, i.e. the solvent in the ink layer is completely removed after all the color inks are printed, so as to avoid smearing and failure during rewinding or stacking.

CN 207549726U discloses a satellite type flexographic printing press inter-color drying device, which comprises an inter-color air box and a supporting seat, wherein two ends of the inter-color air box are connected to the supporting seat through a rotary connecting unit; the rotary connecting unit comprises a fixed seat fixedly connected to the supporting seat, at least one sliding groove is formed in the fixed seat, a sliding piece capable of sliding along the sliding groove is arranged in the sliding groove, and the sliding piece is fixedly connected to the air box between the colors. The utility model discloses a drying device between colours of satellite type flexographic printing machine is provided with rotates the linkage unit, and the bellows relies on to rotate the linkage unit between colours and can make circular motion around the impression cylinder center pin, can also make axial motion to the center pin of impression cylinder simultaneously to adjust the distance of bellows between colours apart from version roller and impression cylinder, so that the change of the printing situation that the material and version roller difference caused when handling the printing, guarantee the stoving quality; meanwhile, the color bellows can be separated from the supporting seat, so that the color bellows can be conveniently cleaned and maintained or troubleshooting is convenient when a problem occurs in the work. However, the utility model has a low utilization rate of the drying air, which wastes energy; and its drying efficiency is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drying device for flexographic printing machine sets up heated air circulation mechanism, carries out the reutilization to hot-blast, sets up two sets of branch pipes, heats simultaneously about the printing paper, improves drying efficiency to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a drying device for a flexographic printing machine comprises a base, wherein the base is provided with a rectangular through hole, a transmission mechanism is arranged on the upper side of the base, the two sides of the base are provided with hydraulic cylinders, the top ends of the hydraulic cylinders are fixedly connected with a fixed plate, one side of the base is fixedly connected with a heat supply mechanism through bolts, one side of the heat supply mechanism is communicated with a first main pipe and a second main pipe through a hose, one side of the first main pipe is communicated with a first branch pipe, the upper side of the first branch pipe is fixedly connected with the lower side of the fixed plate, the lower side of the first branch pipe is provided with a first air outlet, one side of the second main pipe is communicated with a second branch pipe, the upper side of the second branch pipe is fixedly connected with the lower side of the base, the air conditioner is characterized in that a second air outlet is formed in the lower side of the second branch pipe, an air exhaust box body is fixedly connected to one side of the base and one side of the fixed plate, and a hot air circulating mechanism is communicated with one side of the air exhaust box body through a hose.

Preferably, the first branch pipes are equidistantly distributed on the fixing plate, and the second branch pipes are equidistantly distributed on the lower side of the base.

Preferably, the first branch pipe and the second branch pipe are fixedly connected with air volume adjusting valves.

Preferably, the lower side of the base is fixedly connected with a supporting leg.

Preferably, drive mechanism includes the mount, mount fixed connection is in the base upside, mount one side fixedly connected with motor, the output of motor passes through the roller of shaft coupling fixedly connected with driving roller, the driving roller passes through the bearing and rotates to be connected in the mount.

Preferably, one side of the heat supply mechanism is communicated with an electric servo valve and a temperature control valve.

Preferably, heated air circulation mechanism includes the air exhauster, air exhauster one side has the female pipe of circulated air through the hose intercommunication, the female pipe of circulated air one side intercommunication has the circulated air branch pipe, circulated air branch pipe upside fixed connection is in the fixed plate downside, the circulated air hole has been seted up to circulated air branch pipe downside.

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

1. the hot air circulation mechanism is arranged, after the hot air in the branch pipe dries the ink, the ink is extracted by the hot air circulation mechanism again, and the ink is dried for the second time through the circulation air pipe, so that the energy for heating the air is saved;

2. set up first branch pipe, hot-blast from printing paper top is dried to printing ink, can improve the printing ink temperature, evaporates the moisture in the printing ink to take away moisture, set up the second branch pipe, blow hot-blast from the below of printing paper, improve the temperature of printing ink, because the interval of printing unit is shorter, under the circumstances that first branch pipe in the top has been arranged full, the second branch pipe of below can improve drying rate.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic bottom view of the fixing plate of the present invention;

fig. 3 is a schematic top view of the base portion of the present invention.

In the figure: 1. a base; 2. a rectangular through hole; 3. a transmission mechanism; 4. a hydraulic cylinder; 5. a fixing plate; 6. a heat supply mechanism; 7. a first main pipe; 8. a first branch pipe; 9. a first air outlet; 10. a second branch pipe; 11. a second air outlet; 12. an exhaust box body; 13. a hot air circulating mechanism; 14. a support leg; 301. a fixed mount; 302. a motor; 303. a driving roller; 131. an exhaust fan; 132. a circulating air main pipe; 133. a circulating air branch pipe; 15. a second main pipe.

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 a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a drying device for a flexographic printing machine comprises a base 1, and supporting legs 14 are fixedly connected to the lower side of the base 1 in order to support the base 1. In order to facilitate that hot air in the second branch pipe 10 can pass through the base 1, rectangular through hole 2 has been seted up at

base

1, 1 upside of base is provided with drive mechanism 3, drive mechanism 3 includes mount 301, mount 301 fixed connection is in 1 upside of base, mount 301 one side fixedly connected with motor 302, the output of motor 302 passes through the roller of shaft coupling fixedly connected with driving roller 303, driving roller 303 passes through the bearing and rotates to be connected in mount 301.

Two sides of the base 1 are provided with hydraulic cylinders 4, the top ends of the hydraulic cylinders 4 are fixedly connected with fixing plates 5, one side of the base 1 is fixedly connected with a heat supply mechanism 6 through bolts, and the heat supply mechanism 6 is a gas furnace and a fan. 6 one side of heat supply mechanism has female pipe 7 of first female pipe 7 and second through the hose intercommunication, the intercommunication of 7 one side of first female pipe has

first branch pipe

8, 8 upside fixed connection of first branch pipe are in 5 downside of fixed plate, first air outlet 9 has been seted up to 8 downside of first branch pipe, the intercommunication of 15 one side of second female pipe has

second branch pipe

10, 10 upside fixed connection of second branch pipe are in 1 downside of base, first branch pipe 8 is equidistant on fixed plate 5 and distributes, second branch pipe 10 is in 1 downside equidistance of base. Air volume regulating valves are fixedly connected to the first branch pipe 8 and the second branch pipe 10. The hot air sprayed from the second branch pipe 10 passes through the rectangular through-hole 2 to heat the lower surface of the printed matter.

A second air outlet 11 is formed in the lower side of the second branch pipe 10, an air exhaust box body 12 is fixedly connected to one side of the base 1 and one side of the fixing plate 5, and a hot air circulating mechanism 13 is communicated with one side of the air exhaust box body 12 through a hose. The hot air circulation mechanism 13 comprises an exhaust fan 131, one side of the exhaust fan 131 is communicated with a circulating air main pipe 132 through a hose, one side of the circulating air main pipe 132 is communicated with a circulating air branch pipe 133, the upper side of the circulating air branch pipe 133 is fixedly connected to the lower side of the fixed plate 5, and a circulating air hole is formed in the lower side of the circulating air branch pipe 133.

The working principle is as follows: the transmission mechanism 3 drives the printing paper to move, the heat supply mechanism 6 generates hot air and blows the hot air to the first main pipe 7 and the second main pipe 15, the hot air of the first main pipe 7 is sprayed out through the first branch pipe 8 and the first air outlet 9 to dry the printing ink on the upper surface of the printing paper, the temperature of the printing ink can be improved, moisture in the printing ink is evaporated and taken away, the hot air in the second main pipe 15 is sprayed out through the second branch pipe 10 and the second air outlet 11 to blow the hot air on the lower surface of the printing paper, the temperature of the printing paper is improved, the temperature of the printing ink is further improved, and the drying speed is accelerated; the discharged hot air dries the ink, and then is sucked by the suction fan 131 again, and is discharged through the circulation air main pipe 132 and the circulation air branch pipe 133, thereby secondarily drying the ink.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drying device for flexographic printing machine, includes base (1), its characterized in that: the base (1) is provided with a rectangular through hole (2), the upper side of the base (1) is provided with a transmission mechanism (3), hydraulic cylinders (4) are arranged on two sides of the base (1), a fixed plate (5) is fixedly connected to the top ends of the hydraulic cylinders (4), a heat supply mechanism (6) is fixedly connected to one side of the base (1) through bolts, a first main pipe (7) and a second main pipe (15) are communicated to one side of the heat supply mechanism (6) through hoses, a first branch pipe (8) is communicated to one side of the first main pipe (7), the upper side of the first branch pipe (8) is fixedly connected to the lower side of the fixed plate (5), a first air outlet (9) is formed in the lower side of the first branch pipe (8), a second branch pipe (10) is communicated to one side of the second main pipe (15), the upper side of the second branch pipe (10) is fixedly connected to the lower side of the base (1), a second, the air exhaust device is characterized in that one sides of the base (1) and the fixed plate (5) are fixedly connected with an air exhaust box body (12), and one side of the air exhaust box body (12) is communicated with a hot air circulation mechanism (13) through a hose.

2. The drying device for a flexographic printing machine according to claim 1, characterized in that: the first branch pipes (8) are distributed on the fixing plate (5) at equal intervals, and the second branch pipes (10) are distributed on the lower side of the base (1) at equal intervals.

3. The drying device for a flexographic printing machine according to claim 1, characterized in that: and air volume regulating valves are fixedly connected to the first branch pipe (8) and the second branch pipe (10).

4. The drying device for a flexographic printing machine according to claim 1, characterized in that: the lower side of the base (1) is fixedly connected with a supporting leg (14).

5. The drying device for a flexographic printing machine according to claim 1, characterized in that: drive mechanism (3) are including mount (301), mount (301) fixed connection is in base (1) upside, mount (301) one side fixedly connected with motor (302), the roller of shaft coupling fixedly connected with driving roller (303) is passed through to the output of motor (302), driving roller (303) rotate through the bearing and connect in mount (301).

6. The drying device for a flexographic printing machine according to claim 1, characterized in that: and one side of the heat supply mechanism (6) is connected with an electric servo valve and a temperature control valve.

7. The drying device for a flexographic printing machine according to claim 1, characterized in that: heated air circulation mechanism (13) are including air exhauster (131), air exhauster (131) one side has female pipe of circulated air (132) through the hose intercommunication, female pipe of circulated air (132) one side intercommunication has circulated air branch pipe (133), circulated air branch pipe (133) upside fixed connection is in fixed plate (5) downside, the circulated air hole has been seted up to circulated air branch pipe (133) downside.