KR101387983B1 - Cleaning device of digital printing machine - Google Patents

Abstract

The present invention relates to an apparatus for cleaning a conveying belt of a digital printing machine. The apparatus includes a main body which is provided to endlessly rotate the conveying belt, a cleaning unit for removing moisture from a surface of the conveying belt after cleaning the surface of the conveying belt with cleansing solution, and a residual moisture removing unit for removing residual moisture from the surface of the conveying belt once more again. Differently from the prior art, the present invention allows air to be secondarily provided on the conveying belt and dries the conveying belt at maximum by blowing hot air on the conveying belt after the conveying belt is washed with water and the moisture on the conveying belt is primarily removed, and removes foreign substances such as residual thread, which adheres to the conveying belt in cleaning the conveying belt with water, from the conveying belt, so that the conveying belt can be made to be clean at maximum.

Description

Cleaning belt cleaning device of digital printing machine {CLEANING DEVICE OF DIGITAL PRINTING MACHINE}

The present invention relates to a cleaning belt cleaning device of a digital printing machine, and more particularly, after removing the water from the transport belt after cleaning the transport belt for transporting the output medium, the air is secondaryly blown and then dried by hot air. The present invention relates to a transfer belt cleaning device of a digital printing machine, which can dry the transfer belt as much as possible and clean the transfer belt as much as possible by wiping and removing foreign substances such as residues on the transfer belt.

In general, when outputting to a digital printing machine, the output medium is a piece of flexible paper or film, or one that is rolled in roll form.

This is because the output medium is inserted into the conveying roller of the digital printing machine so that the head horizontally moves in the horizontal direction perpendicular to the conveying direction of the output medium while the roller is conveying the output medium, It must be a medium that can be transported by.

Therefore, when the output medium is a material having no flexibility, printing can not be performed by a general printer.

Therefore, a digital printing machine capable of printing even when the output medium is not flexible and has a large weight or a large thickness has been proposed.

At this time, the conventional digital printing machine rotates the conveyance belt and prints the output medium on the conveying belt.

In particular, the existing digital printing machine is provided with a separate device for cleaning the conveying belt is rotated, because the conveying belt is contaminated by the ink solution of the output medium.

A transfer belt cleaning device of a digital printing machine has been proposed in Korean Patent Publication No. 10-2007-0111135 (name of the invention: a transfer belt cleaning device of a plotter).

The transfer belt cleaning device of the existing digital printing machine removes the water on the transfer belt with the brush and rubber after spraying the cleaning liquid to clean the transfer belt.The water is not completely removed and the output medium gets wet, which causes the ink liquid to bleed. There is a problem.

Therefore, there is a need to improve this.

The present invention has been made in order to improve the above problems, and after first removing the water on the transfer belt after cleaning the transfer belt for transporting the output medium, and then secondly blows air to dry the transfer belt The object of the present invention is to provide a transfer belt cleaning device for a digital printing machine which is intended to be dried as much as possible.

In addition, an object of the present invention is to provide a transport belt cleaning device of a digital printing machine to clean the transport belt as clean as possible by wiping and removing foreign matters, such as the residue on the transport belt when cleaning the water.

The transfer belt cleaning device of the digital printing machine according to the present invention includes: a main body having the transfer belt rotatably rotated, and provided on the main body to clean the surface of the transfer belt with a cleaning liquid, and then remove water from the transfer belt surface. And a cleaning unit, and the residue is provided on the main body to remove the residual water on the surface of the transfer belt once again removes.

The residue removal unit is fixed to the main body so as to be located on the corresponding lower side of the transfer belt is water is removed, the air pipe through the air hole in the conveying belt direction, and air to the air pipe at a constant pressure And an air supply unit for supplying air to remove moisture from the transfer belt.

The residue removal unit includes a casing fixed to the main body so as to be located at a lower side of the transfer belt from which water is removed, and a heating member provided inside the casing to generate heat and to dry the surface of the transfer belt.

The cleaning unit may include a mounting table provided in the main body, a housing provided above the mounting table and opened in an upper direction and having a space therein, a nozzle for ejecting a cleaning liquid provided and provided in the housing, and the rotating conveying belt. A brush provided in the housing so as to be naturally rotated in contact with the cleaning liquid sprayed from the nozzle to clean the surface of the transfer belt, a rubber provided at an edge of the housing to primarily remove water from the transfer belt, and the housing It is provided on the edge of the remover includes a remover for removing foreign matter on the conveyance belt.

The housing is preferably connected to the circulation portion circulating the cleaning liquid.

The circulation unit includes a circulation tank for storing the cleaning liquid, an inlet pipe for supplying the cleaning liquid from the circulation tank to the housing, an inlet pumping member connected to the inlet pipe to pump the cleaning liquid into the housing, and the circulation tank from the housing. A water discharge pipe for guiding the discharge of the cleaning liquid, and a water extraction pump member connected to the water discharge pipe for pumping the cleaning liquid to the circulation tank.

As described above, the transfer belt cleaning device of the digital printing machine according to the present invention, unlike the prior art, after first removing the water on the transfer belt after cleaning the transfer belt for transporting the output medium and the secondary air blowing After drying by hot air, the transfer belt can be dried as much as possible.

In addition, the present invention can clean the transfer belt as clean as possible by wiping and removing foreign matters such as the remnants on the transfer belt when cleaning the water.

1 is a side view of the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention.
Figure 2 is an enlarged side view of the cleaning unit of the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention.
Figure 3 is an enlarged perspective view of the residue removal unit of the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention.
Figure 4 is an exploded perspective view of the residue removal unit of the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the transfer belt cleaning device of the digital printing machine according to the present invention. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, and these may vary depending on the intention or custom of the operator, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a side view of the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention, Figure 2 is an enlarged side view of the cleaning unit of the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention.

Figure 3 is an enlarged perspective view of the residue removal portion of the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention, Figure 4 is a residue of the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention Removed part exploded perspective view.

As shown in Figure 1, the transfer belt cleaning device of the digital printing machine according to an embodiment of the present invention comprises a main body 10, the cleaning unit 100 and the residue removal unit 300.

The main body 10 forms an external shape of the digital printing machine, and serves to support the cleaning unit 100 and the residue removing unit 300.

In particular, the main body 10 is provided with a pair of rotating drum 30 to be rotatable.

In addition, the conveyance belt 20 is wound around the pair of rotating drums 30. In particular, any one of the rotating drum 30 is forcibly rotated by receiving a driving force. Therefore, the conveyance belt 20 is made to rotate infinitely. The transport belt 20 serves to transport the printed output medium while rotating indefinitely.

On the other hand, since the conveyance belt 20 conveys the output medium on which the ink is printed, the conveyance belt 20 is contaminated, and thus, the lower surface of the output medium is contaminated.

Thus, the conveying belt 20 is preferably cleaned after the time of printing the output medium.

Accordingly, the main body 10 includes a cleaning part 100 corresponding to a position where the surface of the conveyance belt 20 in contact with the output medium faces downward.

The cleaning unit 100 serves to first remove water after cleaning the surface of the transfer belt 20 and to remove foreign substances such as residues on the surface of the transfer belt 20.

That is, the cleaning unit 100 is provided in the main body 10 to clean the contaminated surface of the transfer belt 20 with a cleaning liquid, and then removes water on the surface of the transfer belt 20.

As shown in FIG. 2, the cleaning unit 100 includes a mounting table 110, a housing 120, a nozzle 130, a brush 140, a rubber 150, and a remover 160.

Mounting unit 110 is fixed to the main body 10 serves to support the housing 120. At this time, the mounting table 110 may be provided to adjust the height.

And, the housing 120 is provided on the upper side of the mounting table 110, is opened in the conveying belt 20 direction, has an empty space therein. Of course, the housing 120 may be modified in various shapes.

In addition, the housing 120 includes a plurality of nozzles 130 along the horizontal width direction of the conveyance belt 20. The nozzle 130 serves to spray a specific portion of the transport belt 20 located at the lower side by receiving an external cleaning liquid at the same time. Therefore, the ink transfer to the transfer belt 20 corresponding to the time point after printing on the output medium is removed by the cleaning liquid is injected.

In addition, the housing 120 includes the brush 140 to be rotatable. At this time, the axial direction of the brush 140 is matched with the horizontal width direction of the conveyance belt (20).

Accordingly, the brush 140 is rotated to remove the ink liquid by wiping the corresponding surface of the transfer belt 20.

At this time, the brush 140 may be naturally rotated in contact with the conveying belt 20 is forcedly conveyed, or may be forcibly rotated by the driving force of the motor.

In particular, the brush 140 is in contact with the surface of the conveying belt 20, the cleaning liquid sprayed from the nozzle 130 is buried, so as to rotate in contact with the conveying belt 20 in a wet state to clean the conveying belt 20 Done.

In addition, the transfer belt 20 wets the output medium when the contact with the output medium in the state that the water is wet by the cleaning of the brush 140 will cause poor printing.

Thus, the housing 120 is provided with a rubber 150 to remove the water on the wetted output medium.

That is, the rubber 150 is provided at the edge of the housing 120 to primarily remove water from the transfer belt 20. At this time, the rubber 150 is preferably made of a rubber material having flexibility so as not to damage the transfer belt (20).

The rubber 150 is preferably inserted into the edge of the housing 120 can be replaced. Of course, the rubber 150 can be modified in various shapes.

In addition, the transfer belt 20 is buried with foreign matter floating in the air such as the remaining chamber by the cleaning liquid or the ink liquid.

Thus, the housing 120 further includes a remover 160.

The remover 160 is provided at the edge of the housing 120 to remove foreign matters from the transfer belt 20.

The remover 160 is preferably provided at the edge of the housing 120 to remove foreign matter from the transfer belt 20 in a state in which the rubber 150 is first drained. At this time, the remover 160 is preferably made of a sponge material so as not to damage the transfer belt 20, to wipe off the fine foreign matter as much as possible. Of course, the remover 160 may be applied to various materials.

In particular, the remover 160 is preferably fitted to the edge of the housing 120 to be remountable after replacement or separation.

On the other hand, the cleaning liquid sprayed through the nozzle 130 is dropped into the housing 120.

In this case, the dropped cleaning liquid may overflow from the housing 120 and flow outward. Thus, the cleaning liquid dropped into the housing 120 should be discharged.

Here, when the cleaning liquid which is continuously clean from the outside is supplied to the nozzle 130, the cleaning liquid supply cost is incurred.

Thus, the cleaning liquid is preferably circulated.

That is, the housing 120 connects the circulation part 200 for circulating the cleaning liquid.

For example, the circulation unit 200 includes a circulation tank 210, an inlet pipe 220, an inlet pumping member 230, an outlet tube 240, and an outlet pumping member 250.

The circulation tank 210 serves to store the cleaning liquid, and may be applied to various shapes and various materials.

In addition, the inlet pipe 220 connects the circulation tank 210 and the housing 120, and serves to guide the supply of the cleaning liquid from the circulation tank 210 to the housing 120.

In addition, the inlet pumping member 230 is connected to the inlet pipe 220 to pump the cleaning liquid into the housing 120, and preferably a pumping motor.

The outlet pipe 240 connects the housing 120 and the circulation tank 210 to serve to discharge the cleaning liquid from the housing 120 to the circulation tank 210.

The water extraction pumping member 250 is connected to the water outlet tube 240 to pump the cleaning liquid into the circulation tank 210, and preferably, a pumping motor.

At this time, the inlet pipe 220 and the outlet pipe 240 is connected to the circulation tank 210 and the housing 120 in various ways.

The inlet pumping member 230 and the outlet pumping member 250 are simultaneously operated to prevent the cleaning liquid from overflowing inside the housing 120.

In addition, although not shown, the housing 120 includes a sensor therein, and when the sensor detects a predetermined level or more of the cleaning liquid in the housing 120, the housing 120 may generate a signal for operating the water extraction pump member 250. have.

In addition, the cleaning solution continuously circulates through the circulation tank 210 and the housing 120, and after a predetermined time, is replaced due to contamination.

On the other hand, as the conveying belt 20 is continuously rotated at a constant speed, the rubber 150 does not completely remove the water on the surface of the conveying belt 20.

Thus, the main body 10 further includes a residue removal unit 300.

Residual water removal unit 300 serves to remove the residual water on the surface of the transfer belt 20 once more.

As shown in FIGS. 3 and 4, the residue removal unit 300 includes an air pipe 310 and an air supply unit 320.

The air pipe 310 is fixed to the main body 10 so as to be located at the corresponding lower side of the drained transport belt 20, and is hollow, and passes through the air hole 312 in the direction of the transport belt 20.

At this time, the air pipe 310 is disposed in a direction in which the axial direction is perpendicular to the conveying direction of the conveying belt (20). The diameter and the number of the air pipes 310 are not limited, and the diameter and the number of the air holes 312 of the air pipes 310 are not limited.

In particular, each air hole 312 is preferably formed so that the air can be concentrated in a straight line in a direction perpendicular to the conveying direction of the conveying belt (20).

In addition, the air supply unit 320 supplies air to the air pipe 310 at a predetermined pressure to serve to remove water from the transfer belt 20 as air. In this case, the air supply unit 320 is applied to a compressor, a pump or a blower connected to the air pipe 310.

In addition, the residue removal unit 300 further comprises a casing 330, and the heat generating member 340.

The casing 330 is fixed to the main body 10 so as to be located at the corresponding lower side of the drained transfer belt 20. Of course, the casing 330 may be deformed into various shapes, and part or all of the casing 330 is opened upward.

The heating member 340 is provided inside the casing 330 to generate heat, and serves to dry the surface of the transfer belt 20.

The heating member 340 may be variously applied, such as a heating rod or a heating wire.

Of course, the number of the casing 330 and the heat generating member 340 is not limited.

As a result, the transfer belt 20 is as clean as possible by the cleaning unit 100, foreign matter is removed.

Then, the transfer belt 20 is completely drained by the residue removal unit 300 and dried so as not to cause a printing failure on the output medium to be printed later.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

10: Main body 20: Feed belt
30: rotating drum 100: cleaning part
110: mounting base 120: housing
130: nozzle 140: brush
150: rubber 160: remover
200: circulation portion 210: circulation tank
220: inlet pipe 230: inlet pumping member
240: outlet pipe 250: outlet pumping member
300: residue removal unit 310: air pipe
320: air supply unit 330: casing
340: heat generating member

Claims (6)

A main body having a conveyance belt rotatably;
A cleaning unit provided in the main body to clean the surface of the conveyance belt with a cleaning liquid and to remove moisture from the surface of the conveyance belt; And
It is provided in the main body includes a residue residue removal unit for removing the residue water once more on the surface of the transfer belt,
The residue removal unit, the air pipe fixed to the main body so as to be located on the corresponding lower side of the transfer belt is water-removed, through the air hole in the direction of the conveying belt; And
And an air supply unit for supplying air to the air pipe at a predetermined pressure to remove water from the transfer belt as air.
delete The method of claim 1, wherein the residue removal unit,
A casing fixed to the main body so as to be positioned at a lower side of the transfer belt which is drained; And
And a heating member provided inside the casing and generating heat and drying the surface of the conveying belt.
According to claim 1, The cleaning unit,
An installation table provided in the main body;
A housing provided above the mount and open in an upward direction and having a space therein;
A nozzle provided in the housing and for ejecting the supplied cleaning liquid;
A brush provided in the housing so as to be naturally rotated in contact with the rotating conveying belt and wetted with a cleaning liquid ejected from the nozzle to clean the surface of the conveying belt;
A rubber provided at an edge of the housing to primarily remove water from the transfer belt; And
And a remover provided at an edge of the housing to remove foreign substances from the transfer belt.
5. The method of claim 4,
The housing is a belt cleaning device of the digital printing machine, characterized in that connected to the circulation portion for circulating the cleaning liquid.
The method of claim 5, wherein the circulation unit,
A circulation tank storing a cleaning liquid;
An inlet pipe for guiding supply of a cleaning liquid from the circulation tank to the housing;
An inlet pumping member connected to the inlet pipe to pump a cleaning liquid into the housing;
A discharge pipe for guiding discharge of the cleaning liquid from the housing to the circulation tank; And
And a water extraction pumping member connected to the water outlet pipe to pump a cleaning liquid into the circulation tank.

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