KR101051913B1 - Screen printing device prevents curing of dye - Google Patents

Abstract

The present invention relates to a screen printing apparatus, and more particularly, to a screen printing apparatus that prevents the curing of the dye that can be continuously printed on the fabric even if the dye containing the binder by preventing the curing of the dye emitted from the screen. .

Emboss, printing, dye, humidification, binder

Description

Screen printing device for preventing hardening of dyes {Rotary screen printer for preventing hardning dyes}

The present invention relates to a screen printing apparatus, and more particularly, to a screen printing apparatus that prevents the curing of the dye that can be continuously printed on the fabric even if the dye containing the binder by preventing the curing of the dye emitted from the screen. .

In general, a type of printing apparatus for dyeing a dye on a fabric includes a transfer printing machine, a roller printing machine, a screen printing machine, and a rotary screen printing machine.

In particular, the screen printing machines are provided with a screen for printing the fabric by transmitting the dye from the inside to the outside.

More specifically, the screen is provided with a dye filling rod filled with the dye, and the dye discharged from the dye filling rod flows to the inner surface of the screen printing machine and is transmitted to the outside of the screen so that dye is applied to the fabric. Print.

In addition, the screen is formed with a printing mesh for printing the fabric in a predetermined design, the fabric is designed according to the shape of the printing mesh.

On the other hand, in order to print the embossed, metal or hologram on the fabric, it is necessary to use a dye mixed with a binder for adhering a pigment or metal, unlike a dye for general dyeing, such a binder is easily cured in air There is this.

That is, since the binder is cured while passing through the printing mesh of the screen, dye cannot continuously penetrate the outside of the screen, and thus there is a problem in that the fabric cannot be printed.

The present inventors have tried to print emboss, metal or hologram on the fabric using the screen, and as a result, to develop a technical configuration that can penetrate the outside of the screen without the dye containing the binder hardened to complete the present invention It became.

Accordingly, it is an object of the present invention to provide a sprint printing device capable of printing emboss, metal or hologram on the surface of a fabric using a screen.

In addition, another object of the present invention is to provide a screen printing apparatus capable of preventing the curing of the dye emitted from the screen of the screen printing apparatus.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention is rotated in the upper portion of the moving fabric, and is discharged to the outside of the cylindrical screen for printing the dye on the fabric and is installed spaced apart from the screen, The present invention provides a screen printing apparatus including a humidifying apparatus which prevents curing of the emitted dye by spraying a humidifying gas toward the screen to maintain the surface of the screen at a constant temperature and humidity.

In a preferred embodiment, the screen printing apparatus has a structure that covers the outside of the screen with a predetermined internal space, and further includes a screen cover which is open at the bottom so as not to rub against the fabric.

In a preferred embodiment, the humidifier sprays only the humidifying gas such that the humidifying gas is liquefied and does not flow down to the top of the fabric.

In a preferred embodiment, the dye comprises a pigment and a binder for adhering the pigment to the fabric, wherein the dye is attached to the fabric and printed with emboss, metal or hologram.

In a preferred embodiment, the dye further comprises a crosslinking agent that delays curing of the binder.

In a preferred embodiment, the humidifier is supplied to the humidifier gas is provided inside the side of the screen cover in parallel to the longitudinal direction of the screen, the humidifying gas supply to discharge the humidifying gas toward the screen Includes a bar.

In a preferred embodiment, the humidifying apparatus further includes a humidifying gas generator which is provided inside or outside the screen cover and generates the humidifying gas and supplies it to the humidifying gas supply bar.

In a preferred embodiment, the humidifying gas supply bar is formed with a humidifying gas inlet through which the humidifying gas is introduced, and a humidifying gas outlet through which the humidifying gas is discharged.

In a preferred embodiment, the humidifying gas inlet is provided at one end of the humidifying gas supply bar, the humidifying gas discharge port is provided with a plurality of humidifying gas discharge ports on the surface of the humidifying gas supply bar.

In a preferred embodiment, the humidifying gas inlet is provided with two humidifying gas inlets at both ends of the humidifying gas supply bar, the humidifying gas discharge port is provided with a plurality of humidifying gas discharge ports on the surface of the humidifying gas supply bar. do.

The present invention has the following excellent effects.

First, according to the screen printing apparatus of the present invention, a dye mixed with a binder may be embossed, metal printed or holographic printed on a fabric using a screen.

In addition, according to the screen printing apparatus of the present invention, it is possible to maximize the productivity of the embossed, metal or holographic printing fabric by maximizing the prevention of curing of the dye emitted from the screen to prevent the design mesh formed on the screen from being blocked by the dye.

The terms used in the present invention were selected as general terms as widely used as possible, but in some cases, the terms arbitrarily selected by the applicant are included. In this case, the meanings described or used in the detailed description of the present invention are considered, rather than simply the names of the terms. The meaning should be grasped.

Hereinafter, the technical structure of the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Like reference numerals designate like elements throughout the specification.

[First Embodiment]

1 is a view showing a screen printing apparatus according to a first embodiment of the present invention.

Referring to FIG. 1, the screen printing apparatus 100 according to the first embodiment of the present invention includes a screen 110 and a humidifier 120.

The screen 110 is rotated in contact with the upper portion of the moving fabric 10, and discharges the dye provided therein to the outside to be printed on the fabric (10).

More specifically, the screen 110 is provided with a dye filling rod (not shown) for discharging the dye filled into the screen 110.

However, as long as the dye filling rod is not provided and the dye can be released from the inside of the screen 110 to the outside, any screen can be used.

That is, the dye is discharged from the dye filling rod flows into the interior of the screen 110, the dye flowing into the interior of the screen 110 is transmitted to the outside of the screen 110, the dye is the fabric It is printed at (10).

In addition, a design mesh 111 is formed on the outer surface of the screen 110 to print the dye emitted from the inside to the fabric 10 in a predetermined design.

That is, the dye passes through the design mesh 111 and is printed on the fabric 10 in a constant design.

In addition, the dye is not a general dye printed by mixing the water and the pigment penetrates the fabric 10, the dye is a dye mixed with a binder, the pigment embossed on the top of the fabric 10, metal or It is a dye for attachment by hologram.

That is, the screen printing apparatus according to the first embodiment of the present invention is a printing apparatus used for embossing, metal printing, or holographic printing, in which a pigment is attached and printed on the surface of the fabric 10.

However, it is a matter of course that the dye may be used a general dye mixed with water and pigment.

On the other hand, the binder has a constant viscosity and serves as a paste for attaching the pigment to the fabric 10, and has a property that is easily cured in the air.

That is, when the dye is cured in the design mesh 111, the dye inside the screen 110 cannot penetrate to the outside, there is a problem that can not print the fabric.

In addition, a crosslinking agent for delaying curing of the binder is added to the dye.

It should be noted that when the crosslinking agent is added to the dye at a high rate, curing of the binder may be delayed, but the viscosity of the binder may be lowered so that the pigment does not adhere well to the fabric 10. It should be attached properly.

In the first embodiment of the present invention, the crosslinking agent was mixed with 0.5% to 3% of the dye so that the pigment adhered well to the fabric 10 while curing of the binder was properly delayed.

The humidifier 120 is installed to be spaced apart from the screen 110, and sprays a humidifying gas (a) toward the screen 110.

That is, the humidifier 120 maintains the surface of the screen 110 at a constant temperature and humidity to prevent curing of the dye emitted from the design mesh 111.

In addition, the humidifier 120 is provided in parallel with the longitudinal direction of the screen 110, and includes a humidifying gas supply bar 121, the humidifying gas (a) is introduced into the inside.

In addition, the humidifying gas supply bar 121 may be fixed to any portion of the screen printing apparatus 100 if it can be fixed to be spaced apart parallel to the screen 110.

In addition, a humidifying gas inlet 121a through which the humidifying gas (a) flows is formed at one end of the humidifying gas supply bar 121, and the humidifying gas (a) is formed on a surface of the humidifying gas supply bar 121. A plurality of humidifying gas discharge holes 121b are formed to be uniformly sprayed on the front surface of the screen 110.

However, of course, the humidifying gas discharge port 121b may be provided as one humidifying gas discharge port.

In addition, the humidifier 120 further includes a humidifying gas generator 122 for generating the humidifying gas a and supplying the humidifying gas to the humidifying gas supply bar 121.

In addition, the humidification gas generator 122 is a water tank (not shown) for storing water therein, an air unit (not shown) for vaporizing the water stored in the water tank and supplying the humidification gas supply bar 121. And a thermostat (not shown) for maintaining the water at a constant temperature.

In addition, in the first embodiment of the present invention, the temperature controller allows the temperature of the water to be adjusted to 60 to 70 degrees.

In addition, the temperature controller may adjust the temperature of the water by receiving the ambient temperature of the screen 110 from a temperature sensor (not shown) for detecting the ambient temperature of the screen 110.

In addition, the air unit may receive a feedback of the ambient temperature of the screen 110 from a humidity sensor (not shown) for detecting the ambient humidity of the screen 110 to adjust the supply of the humidifying gas (a).

In addition, a softening agent may be added to the water to prevent curing of the dye.

Therefore, it is possible to maximize the curing of the dye.

Second Embodiment

2 is a view showing a screen printing apparatus according to a second embodiment of the present invention.

Hereinafter, components that are substantially the same as those of the first embodiment of the present invention will be omitted and the same reference numerals will be referred.

Referring to FIG. 2, the screen printing apparatus 200 according to the second embodiment of the present invention is further provided with a screen cover 130 as compared to the screen printing apparatus 100 according to the first embodiment of the present invention.

The screen cover 130 is a cover covering the outside of the screen 110 with a certain inner space (b).

In addition, the screen cover 130 has a lower portion open so as not to rub against the fabric 10, and is fixed to a portion of the screen printing apparatus 200.

In addition, the humidifying gas supply bar 121 is placed in the inner space (b) to cover the screen 110.

That is, the screen cover 130 is a humidified gas (a) supplied from the humidifying gas supply bar 121 is dispersed in the internal space (b) to maintain a constant temperature and humidity on the entire surface of the screen 110 By making it possible to maximize the curing of the dye.

[Third Embodiment]

3 is a view showing a screen printing apparatus according to a third embodiment of the present invention.

Hereinafter, components that are substantially the same as those of the second embodiment of the present invention will be omitted and the same reference numerals will be referred.

Referring to FIG. 3, in the screen printing apparatus 300 according to the third exemplary embodiment of the present invention, the humidifying gas a is supplied to both ends of the humidifying gas supply bar 121.

That is, the humidifying gas (a) is filled to the inside of the humidifying gas supply bar 121 at an even pressure, and the humidifying gas (a) is discharged at all the humidifying gas discharge ports 121b of the humidifying gas supply bar 121. Evenly sprayed.

Therefore, it is possible to maximize the prevention of curing of the dye cured on the entire surface of the screen 110.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications will be possible.

1 is a view showing a screen printing apparatus according to a first embodiment of the present invention,

2 is a view showing a screen printing apparatus according to a second embodiment of the present invention,

3 is a view showing a screen printing apparatus according to a third embodiment of the present invention.

In the drawings according to the present invention, the same reference numerals are used for components having substantially the same configuration and function.

<Description of the symbols for the main parts of the drawings>

100,200,300: Screen printing device 110: Screen

111: design mesh 120: humidifier

121: Humidification gas supply bar 121a, 121aa: Humidification gas inlet

121b: Humidification gas discharge port 122: Humidification gas generator

Claims (10)

A cylindrical screen rotating on the moving fabric and emitting the dye provided therein to the outside to print the dye on the fabric; And And a humidifier installed at a distance from the screen to prevent curing of the emitted dye by spraying a humidifying gas toward the screen to maintain the surface of the screen at a constant temperature and humidity. And said dye comprises a pigment, a binder for adhering said pigment to said fabric and a crosslinking agent for delaying curing of said binder. The method of claim 1, And a screen cover having a predetermined inner space covering the outside of the screen, the bottom of which is open to prevent friction with the fabric. The method according to claim 1 or 2, The humidifying device is a screen printing apparatus, characterized in that for spraying only the humidifying gas to the degree that the humidifying gas is not liquefied to flow to the upper portion of the fabric. The method of claim 1, And the dye is attached to the fabric and printed with embossing, metal or hologram. delete The method of claim 2, The humidifier is, The humidifying gas is introduced into the screen, the screen printing device, characterized in that provided in the predetermined portion of the screen cover in parallel with the longitudinal direction of the screen, the humidifying gas supply bar for discharging the humidifying gas toward the screen . The method of claim 6, The humidifier is, And a humidifying gas generator provided inside or outside the screen cover to generate the humidifying gas and supply the humidifying gas to the humidifying gas supply bar. The method of claim 7, wherein The humidifying gas supply bar is a screen printing device, characterized in that the humidifying gas inlet for introducing the humidifying gas is introduced and the humidifying gas discharge port for discharging the introduced humidifying gas to the outside. The method of claim 8, The humidifying gas inlet is provided at one end of the humidifying gas supply bar, the humidifying gas discharge port is a screen printing device, characterized in that provided with a plurality of humidifying gas discharge ports on the surface of the humidifying gas supply bar. The method of claim 8, The humidifying gas inlet is provided with two humidifying gas inlets at both ends of the humidifying gas supply bar, and the humidifying gas outlet is provided with a plurality of humidifying gas outlets on the surface of the humidifying gas supply bar. Screen printing device.

Images