CN211251781U - Hot air supply device for drying flexo printing - Google Patents

Abstract

The utility model provides a dry hot-blast system that supplies of flexography, including fan, static pressure case and air knife, be equipped with air intake, return air inlet and air knife connector on the static pressure case, the air intake fixed connection of fan and static pressure case, the air knife connector is connected with the air knife, replace crotch formula structure bellows with novel static pressure formula bellows for the air output of every air knife is unanimous basically, does benefit to and improves the wind speed, increases drying capacity, make air quantity control change into adjustable air supply by ration air supply more, practice thrift printing portion space, improve dry wind speed.

Description

Hot air supply device for drying flexo printing

Technical Field

The utility model relates to a drying equipment field, concretely relates to dry hot blast heater of flexo printing.

Background

The drying unit of the flexo printing equipment mainly adopts a hot air drying system, and the heating control mode is electric heating. The whole machine has two groups of hot air heating and circulating systems. Respectively as follows: 1) drying the surface of the printing part; 2) and drying the whole printing body. Because amount of wind control range is little, in actual printing process, there is certain deviation in the air output in wind channel about the bellows, leads to the paper because of being heated inhomogeneous, and the paper is easy to produce the paper and warp under the circumstances of dry insufficient or overdry to what most adoption of the dry heat supply wind device on the present market was crotch formula bellows, leads to the air output size difference between the different air knives easily, makes the drying rate of paper different.

Disclosure of Invention

Not enough more than, the utility model aims to solve the technical problem that a dry hot blast air supply device of flexography is provided, for making water-based ink can be quick, in time dry, guarantee the printing effect.

In order to solve the technical problems, the utility model adopts the technical proposal that,

the utility model provides a dry hot-blast system that supplies of flexography, includes fan, static pressure case and air knife, is equipped with air intake, return air inlet and air knife connector on the static pressure case, and the air intake fixed connection of fan and static pressure case, air knife connector are connected with the air knife.

When adopting above technical scheme, the utility model discloses still further adopt or make up and adopted following technical scheme.

The static pressure box comprises an air inlet box body and an air return box body, the air inlet box body is fixedly connected with the air return box body, an air inlet is formed in the upper end face of the air inlet box body, an air return opening is formed in the upper end face of the air return box body, and air knife connectors are arranged on the side walls of the air inlet box body and the air return box body.

Be equipped with the logical groove of air knife and the logical groove of return air in the air knife, the logical groove of air knife leads to groove interconnect with the return air, and the opening that the logical groove of air knife and return air led to the groove all lies in the same one side of air knife.

The air knife connector comprises an air inlet connector and a return air connector, the air inlet connector is located on the side wall of the air inlet box body, and the return air connector is located on the side wall of the return air box body.

The air knife is connected with the air inlet connector and the air return connector.

Air volume adjusting devices are arranged on the air inlet connector and the air return connector.

An air inlet pipe is fixedly arranged on an air inlet of the static pressure box, the air inlet pipe is fixedly connected with the fan, and air return pipes are fixedly arranged on air return ports.

The air inlet pipe and the air return pipe are connected with each other through a fixed frame.

Two air knife connecting ports are arranged on the side walls of the two sides of the static pressure box, and one air knife connecting port is arranged on the side wall of the lower end of the static pressure box.

The opening of the air knife is arranged towards the static pressure box.

The utility model has the advantages that the novel static pressure type bellows is used for replacing a crotch type structure bellows, so that the air output of each air knife is basically consistent, the air output control is changed from quantitative air supply to adjustable air supply, the space of a printing part is saved, and the drying air speed is improved; meanwhile, the structure of the air knife is improved, so that the air inlet and the air outlet are positioned at the same side of the air knife and exhaust air, and the air speeds of the air inlet and the air outlet are consistent and uniform.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

FIG. 3 is a front view of the plenum box.

Fig. 4 is a front view of the air knife.

Fig. 5 is a sectional view a-a of the air knife.

Reference numerals: the air conditioner comprises a fan 1, a static pressure box 2, an air knife 3, an air inlet 4, a return air inlet 5, an air knife connecting port 6, an air inlet box body 7, a return air box body 8, an air knife through groove 9, a return air through groove 10, an air inlet connecting port 11, a return air connecting port 12, an air volume adjusting device 13, an air inlet pipe 14, a return air pipe 15 and a fixed frame 16.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model provides a dry hot-blast air supply device of flexography, including fan 1, static pressure case 2 and air knife 3, be equipped with air intake 4 on static pressure case 2, return air inlet 5 and air knife connector 6, fan 1 is connected with 4 fixed connection of air intake of static pressure case 2, air knife connector 6 is connected with air knife 3, replace crotch formula structure bellows with novel static pressure formula bellows, make the air output of every air knife unanimous basically, do benefit to and improve the wind speed, increase drying capacity, make air volume control change into adjustable air supply by ration air supply, practice thrift printing portion space, improve dry wind speed.

The static pressure box 2 comprises an air inlet box body 7 and an air return box body 8, hot air is blown into the air inlet box body 7 through the fan 1, the hot air of air knife return air is returned through the air return box body 8, the heat energy of the air in the drying device is effectively recycled, the air inlet box body 7 is fixedly connected with the air return box body 8, the air inlet 4 is located on the upper end face of the air inlet box body 7, the air return opening 5 is located on the upper end face of the air return box body 8, and air knife connecting ports 6 are arranged on the side walls of the air inlet box body 7 and the air return box body 8.

Be equipped with the logical groove 9 of air knife and the logical groove 10 of return air in air knife 3, the logical groove 9 of air knife leads to groove 10 interconnect with the return air, and the same one side that the logical groove 9 of air knife and return air all lie in air knife 3 is led to the opening that the groove 10 was led to the air knife, practices thrift the printing portion space, makes the air knife advance, export the wind speed unanimous, even, does benefit to and improves dry wind speed, reduction in production cost.

The air knife connecting port 6 comprises an air inlet connecting port 11 and an air return connecting port 12, the air inlet connecting port 11 is located on the side wall of the air inlet box body 7, the air return connecting port 12 is located on the side wall of the air return box body 8, and preferably, the air return connecting port 12 and the air inlet connecting port 11 are located in the same straight line.

The air knife through groove 9 is fixedly connected with the air inlet connector 11, and the air return through groove 10 is fixedly connected with the air return connector 12.

Air volume adjusting devices 13 are respectively arranged on the air inlet connecting port 11 and the air return connecting port 12 and used for adjusting the air flow, and the air paths of the air knives of each group can be respectively adjusted in speed.

An air inlet pipe 14 is fixedly arranged on the air inlet 4 of the static pressure box 2, the air inlet pipe 14 is fixedly connected with the fan 1, air return pipes 15 are fixedly arranged on the air return ports 5, and preferably, the air inlet pipe 14 is an arc-shaped pipe, so that the static pressure box 2 is fixedly connected with the fan 1.

Through fixed frame 16 interconnect between air inlet tuber pipe 14 and the return air tuber pipe 15, with air inlet tuber pipe 14 and return air tuber pipe 15 respectively with static pressure case 2 fixed connection, the installation of being convenient for improves the installation effectiveness to fix air inlet tuber pipe 14 and return air tuber pipe 15 through fixed frame 16, improve the wholeness of tuber pipe.

Two air knife connecting ports 6 are arranged on the side walls of the two sides of the static pressure box 2, and one air knife connecting port 6 is arranged on the side wall of the lower end of the static pressure box 2.

The opening of the air knife 3 is arranged towards the static pressure box 2, so that paper placed on the corresponding position of the static pressure box 2 can be dried conveniently.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a dry hot-blast air supply device of flexography, its characterized in that includes fan (1), static pressure case (2) and air knife (3), is equipped with air intake (4), return air inlet (5) and air knife connector (6) on static pressure case (2), and air intake (4) fixed connection of fan (1) and static pressure case (2), and air knife connector (6) are connected with air knife (3).

2. The flexographic printing dry hot air supply device according to claim 1, wherein the static pressure box (2) comprises an air inlet box body (7) and an air return box body (8), the air inlet box body (7) is fixedly connected with the air return box body (8), the air inlet (4) is positioned on the upper end surface of the air inlet box body (7), the air return opening (5) is positioned on the upper end surface of the air return box body (8), and air knife connecting ports (6) are respectively arranged on the side walls of the air inlet box body (7) and the air return box body (8).

3. The flexographic printing drying hot air supply device according to claim 1, wherein an air knife through groove (9) and a return air through groove (10) are formed in the air knife (3), the air knife through groove (9) and the return air through groove (10) are connected with each other, and openings of the air knife through groove (9) and the return air through groove (10) are located on the same side of the air knife (3).

4. The flexographic printing drying hot air supply device according to claim 1, wherein the air knife connecting port (6) comprises an air inlet connecting port (11) and a return air connecting port (12), the air inlet connecting port (11) is located on the side wall of the air inlet box body (7), and the return air connecting port (12) is located on the side wall of the return air box body (8).

5. The flexographic printing drying hot air supply device according to claim 3 or 4, wherein the air knife through groove (9) is fixedly connected with the air inlet connecting port (11), and the air return through groove (10) is fixedly connected with the air return connecting port (12).

6. The hot air supply device for the flexo printing drying according to claim 4, wherein the air volume adjusting device (13) is arranged on the air inlet connecting port (11) and the air return connecting port (12).

7. The flexographic printing drying hot air supply device according to claim 1, wherein an air inlet pipe (14) is fixedly installed on the air inlet (4) of the static pressure box (2), the air inlet pipe (14) is fixedly connected with the fan (1), and air return pipes (15) are fixedly installed on the air return ports (5).

8. A hot air supply device for flexible printing drying according to claim 7, wherein the air supply duct (14) and the air return duct (15) are connected to each other by a fixing frame (16).

9. A flexible printing dry hot air supply device according to claim 4, characterized in that two air knife connecting ports (6) are arranged on the side walls of the two sides of the static pressure box (2), and one air knife connecting port (6) is arranged on the side wall of the lower end of the static pressure box (2).

10. A flexo printing dry hot air supply device according to claim 1, wherein the opening of the air knife (3) is arranged towards the static pressure box (2).

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