KR100989926B1 - Apparatus for cleaning a printing nozzle - Google Patents

Abstract

The present invention includes a body having a first buffer space in which the cleaning liquid resides, a second buffer space in which air for forming the air curtain, and a third buffer space in which air for forming the air blade; A plate having a cleaning liquid discharge port communicating with the first buffer space, a first air discharge port communicating with the second buffer space, and a second air discharge port communicating with the third buffer space; A cleaning solution supply unit communicating with the first buffer space and supplying a cleaning solution to the first buffer space; And an air supply unit communicating with the second buffer space and the third buffer space to supply air to the second buffer space and the third buffer space, respectively.

According to the present invention, since the cleaning device performs cleaning in a spaced apart state at a minute interval without contacting the nozzle portion of the printing nozzle, it prevents damage to the printing nozzle and prevents particle generation due to wear of the cleaning device. The air curtain is formed to prevent the discharged cleaning liquid from scattering to the undesired area, thereby saving the discharge amount of the cleaning liquid and forming the air blade after discharging the cleaning liquid. There is this.

Printing Nozzle, Cleaning Equipment

Description

Apparatus for cleaning a printing nozzle

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning apparatus for a printing nozzle, and more particularly, to a cleaning apparatus for removing residues remaining in a printing nozzle without contacting the printing nozzle.

Figure 1a is a schematic perspective view of a general printing nozzle, Figure 1b is a cross-sectional view of the line A-A of Figure 1a schematically shows a conventional cleaning device for cleaning the printing nozzle.

As can be seen in FIG. 1A, the printing nozzle 1 is an apparatus for applying a predetermined material onto the substrate 2 while moving in a predetermined direction (see arrow direction) on the substrate 2.

As can be seen in Figure 1b, the printing nozzle 1 comprises a receiving groove 3 and the nozzle portion 5, the predetermined material 7 accommodated in the receiving groove 3 is the nozzle portion 5 While being discharged through) is applied to the substrate (2). When the predetermined substance 7 to be applied has some viscosity, the predetermined substance 7 remains as a residue at the end of the nozzle part 5 after the application process is completed. In this way, if the residue remains at the end of the nozzle unit 5, the smooth application process is not performed at the next application process, and after the application process is completed, the residue remaining at the end of the nozzle unit 5 is removed. A cleaning process must be performed.

In the related art, a washing apparatus 9 having a contact surface 8 which can be male and female coupled with the nozzle portion 5 of the printing nozzle 1 is used to remove the residue. The conventional cleaning apparatus 9 removes residues remaining in the nozzle portion 5 while moving the contact surface 8 in contact with the nozzle portion 5 of the printing nozzle 1. Since the cleaning device 9 is in contact with the nozzle part 5 of the printing nozzle 1, the contact surface 8 of the cleaning device 9 is made of rubber and rubber to prevent damage to the nozzle part 5 during contact. In this case, damage to the nozzle part 5 is prevented, but in this case, the contact surface 8 of the cleaning device 9 wears out by friction, causing particles to be generated, and such particles are caused by the nozzle part 5. There was an issue remaining.

The present invention has been devised to solve the conventional problems as described above, the present invention is to prevent the damage of the printing nozzle by removing the residues remaining in the printing nozzle without contact with the printing nozzle and due to the wear of the cleaning device It is an object of the present invention to provide a cleaning device for a printing nozzle which does not cause particles.

In order to achieve the above object, the present invention includes a body having a first buffer space in which the cleaning liquid is held, a second buffer space in which air for air curtain formation, and a third buffer space in which air for air blade formation; A plate having a cleaning liquid discharge port communicating with the first buffer space, a first air discharge port communicating with the second buffer space, and a second air discharge port communicating with the third buffer space; A cleaning solution supply unit communicating with the first buffer space and supplying a cleaning solution to the first buffer space; And an air supply unit communicating with the second buffer space and the third buffer space to supply air to the second buffer space and the third buffer space, respectively.

At this time, the plate is composed of a first plate and a second plate,

The first plate includes a cleaning liquid discharge port communicating with the first buffer space and formed in a predetermined pattern, and a first air discharge opening communicating with the second buffer space and formed in a pattern surrounding the cleaning liquid discharge port from an upper side to a side side. Done by

The second plate may include a second air discharge port communicating with the third buffer space and having a plurality of air discharge holes.

The second plate may be formed of a pattern pad including a plurality of air discharge holes and an air passage connecting the air discharge holes in a predetermined pattern, or may be formed of a porous pad including a plurality of air discharge holes.

The cleaning solution supply unit may include a cleaning solution movement path connected to the first buffer space and formed in the body, and a cleaning solution supply pipe connected to the cleaning solution movement path and formed outside the body.

The air supply part comprises a first air supply part and a second air supply part,

The first air supply unit is connected to the second buffer space and comprises a first air supply path formed in the body and the first air supply path connected to the first air movement path and formed outside the body,

The second air supply part may include a second air supply path connected to the third buffer space and connected to the second air path and formed in the body and formed outside the body.

The body, the plate, the cleaning liquid supply unit and the air supply unit is composed of a pair facing each other, the pair of plates may be configured to face while maintaining a predetermined angle to correspond to the shape of the nozzle portion of the printing nozzle.

The apparatus may further include a balancing mechanism for maintaining a uniform gap between the pair of plates and the nozzle portion of the printing nozzle, wherein the balancing mechanism is formed under the pair of bodies. It may include a first support plate, a plurality of first elastic members formed on the periphery of the first support plate, and a second support plate connected to the first elastic member and formed under the first support plate.

According to the present invention as described above has the following effects.

First, since the cleaning apparatus according to the present invention performs cleaning of the printing nozzles in a state of being spaced at a minute interval without contacting the nozzle portion of the printing nozzle, it prevents damage to the printing nozzle and wears the cleaning apparatus. No particles are caused.

Second, since the cleaning apparatus according to the present invention forms an air curtain to prevent the cleaning liquid from scattering to an undesired area when the cleaning liquid is discharged, the cleaning amount of the cleaning liquid can be saved, thereby reducing the cleaning cost.

Third, the cleaning apparatus according to the present invention can remove the cleaning liquid and residues remaining in the nozzle portion of the printing nozzle by forming an air blade after discharging the cleaning liquid, and can also simultaneously perform the drying process for the nozzle portion of the printing nozzle. The washing process can be carried out more efficiently.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a front view of a cleaning apparatus for a printing nozzle according to an embodiment of the present invention.

Figure 3a is a perspective view of the cleaning device of the printing nozzle according to an embodiment of the present invention, Figure 3b is a side view of Figure 3a, Figure 3c is a cross-sectional view of the line A-A of Figure 3b.

Figure 4a is a perspective view showing a part of the cleaning device of the printing nozzle according to an embodiment of the present invention, Figure 4b is a top view of Figure 4a, Figure 4c is a cross-sectional view of the line AA of Figure 4b, Figure 4d It is sectional drawing of the BB line of FIG. 4B, and FIG. 4E is sectional drawing of the CC line of FIG. 4B.

As can be seen in Figure 2, the cleaning device 10 according to an embodiment of the present invention is spaced at minute intervals without contacting the nozzle portion 5 of the printing nozzle 1, and thus spaced at a minute interval In this state, the cleaning device 10 moves from one end of the nozzle part 5 of the printing nozzle 1 to the other end to remove the residues remaining in the nozzle part 5 of the printing nozzle 1. Therefore, the cleaning device 10 is connected to a predetermined moving mechanism (not shown), thereby moving from one end to the other end of the nozzle unit 5 of the printing nozzle 1 by the operation of the moving mechanism.

2, and 3a to 3c, the cleaning device 10 according to an embodiment of the present invention is a plate consisting of a body 20, the first plate 33 and the second plate 36 ( 30), the cleaning liquid supply part 40, the air supply part 50 which consists of the 1st air supply part 53 and the 2nd air supply part 56, and the balance mechanism 60 is comprised.

A plate 30 formed of a first plate 33 and a second plate 36 is attached to the front of the body 20, and a cleaning liquid supply part 40 and a first air supply part are attached to the rear of the body 20. An air supply unit 50 consisting of 53 and a second air supply unit 56 is connected, and a balance mechanism 60 is connected to the lower side of the body 20.

The body 20 is configured such that a pair of bodies 20 to face each other so as to be located on both sides of the nozzle portion 5 of the printing nozzle 1, and thus attached to the front of the body 20 The plate 30 consisting of the first plate 33 and the second plate 36 is also configured to face each other, the cleaning liquid supply unit 40 connected to the rear of the body 20, and the first air supply unit ( The air supply part 50 which consists of 53 and the 2nd air supply part 56 is also comprised so that a pair may face. In particular, the plate 30 consisting of the first plate 33 and the second plate 36 attached to the front of the body 20 is formed so as to correspond to the shape of the nozzle portion 5 of the printing nozzle 1, The pair of plates 30 are configured to face each other while maintaining a predetermined angle.

Hereinafter, each configuration will be described in detail.

<Body 20>

As shown in FIGS. 4A to 4E, the body 20 includes a first buffer space 220, a second buffer space 240, and a third buffer space 260 therein.

The first buffer space 220 is a space in which the cleaning liquid is retained. The first buffer space 220 communicates with the cleaning liquid discharge port 332 of the first plate 33 in front of the first buffer space 220, and is connected to the cleaning liquid supply part 40 at the rear thereof (FIG. 4c).

The second buffer space 240 is a space in which air for forming an air curtain stays, and communicates with a first air outlet 334 of the first plate 33 in front of the second buffer space, and behind the first air. It is connected with the supply part 53 (refer FIG. 4D).

The third buffer space 260 is a space in which air for forming the air blades stays. The third buffer space 260 communicates with the second air discharge port 362 of the second plate 36 at the front thereof, and the second air supply part at the rear thereof. And 56 (see FIG. 4E).

<Plate 30>

As can be seen in Figures 4a to 4e, the plate 30 is composed of a first plate 33 and a second plate 36.

First plate (33)

The first plate 33 is coupled to the front of the body 20 via a predetermined coupling hole 31 such as a screw, and has a cleaning liquid discharge port 332 and a first air discharge port 334. (See FIGS. 4A and 4B).

The cleaning liquid discharge port 332 is in communication with the first buffer space 220 in which the cleaning liquid is retained (see FIG. 4C), and the first air discharge port 334 is a second buffer in which air for forming the air curtain stays. It is in communication with the space 240 (see FIG. 4D).

The cleaning liquid discharge port 332 serves to discharge the cleaning liquid to the printing nozzle, and is formed in a predetermined pattern so as to be suitable for discharging the cleaning liquid to the printing nozzle (see FIGS. 4A and 4B).

The first air outlet 334 serves to form an air curtain by releasing air in order to prevent the cleaning liquid discharged from the cleaning liquid discharge port 332 from scattering in an undesired direction. The cleaning liquid discharge port 332 is formed in a pattern surrounding from the upper side to the side side (see FIGS. 4A and 4B).

The patterns of the cleaning liquid discharge port 332 and the first air discharge port 334 are not necessarily limited to the patterns according to FIGS. 4A and 4B.

As such, when the first air discharge port 334 is formed, the cleaning liquid discharged from the cleaning liquid discharge port 332 is blocked from scattering to the upper side or the side portion, and the cleaning liquid is discharged only to a predetermined region of the printing nozzle. It is possible to reduce the discharge amount of the material can reduce the material cost.

On the other hand, in one embodiment of the present invention, the first plate 33 is provided with both the cleaning liquid discharge port 332 and the first air discharge port 334, but is not necessarily limited to this, the cleaning liquid discharge port 332 The play provided with the plate and the 1st air discharge port 334 can also be comprised separately.

Second Plate (36)

The second plate 36 is coupled to the front of the body 20 via a predetermined coupling hole 31 such as a screw (see FIGS. 4A and 4B), and the third buffer space 260. And a pattern pad having a second air discharge port 362 in communication therewith (see FIG. 4E).

The second plate 36 serves to completely remove the cleaning liquid discharged from the first plate 33 and the residues remaining in the printing nozzle 1 and to dry the printing nozzle 1. Therefore, based on the direction in which the cleaning apparatus 1 moves, the second plate 36 is formed behind the first plate 33.

The second air discharge port 362 includes an air discharge hole 364 and an air passage 366, and a plurality of air discharge holes 364 are formed to communicate with the third buffer space 260. The air passage 366 is formed as a groove connecting the plurality of air discharge holes 364 in a predetermined pattern without communicating with the third buffer space 260 (see FIG. 4A).

Therefore, the air staying in the third buffer space 260 is discharged through the air discharge hole 364, since the second plate 36 is spaced at a minute interval from the nozzle portion of the printing roll, The air discharged from the air discharge hole 364 moves through the air passage 366 to form an air blade in the air passage 366. Here, the air blade means that the air acts as a blade, and according to an experiment, air is trapped between the nozzle portion of the printing roll and the second air discharge port 362, and thus the air is trapped in the air. When the two plates 36 move in a predetermined direction, the trapped air acts like a blade to completely remove the cleaning liquid and residues remaining in the nozzle portion of the printing roll from the printing roll.

Although not shown, a porous pad having a plurality of air discharge holes may be used as the second plate 36. That is, when the pad is manufactured by compressing the fine carbon graphite particles, fine pores are formed between the carbon graphite particles to form a plurality of air discharge holes due to such pores, and the plurality of air discharge holes are formed. Porous pads may be used as the second plate 36. In this case, air discharged from the plurality of air discharge holes forms an air blade between the nozzle portions of the printing roll.

<Cleaning liquid supply part 40>

The cleaning liquid supply unit 40 is formed at the rear of the body 20, in particular, formed at the rear of the first buffer space 220 formed in the body 20 to supply the cleaning liquid to the first buffer space 220. (See FIG. 4C).

The cleaning liquid supply unit 40 includes a cleaning liquid moving path 42 and a cleaning liquid supply pipe 44 (see FIG. 4C).

The cleaning liquid moving path 42 is connected to the first buffer space 220 and is formed in the body 20, and the cleaning liquid supply pipe 44 is connected to the cleaning liquid moving path 42 and the body 20. ) Is formed outside. Although not shown, a cleaning liquid supply tank containing a cleaning liquid is connected to an end of the cleaning liquid supply pipe 44.

Therefore, the cleaning liquid contained in the cleaning liquid supply tank is discharged through the cleaning liquid discharge port 332 of the first plate 33 via the cleaning liquid supply pipe 44, the cleaning liquid moving path 42, and the first buffer space 220. Will be. In order to control the discharge pressure of the cleaning liquid discharged to the cleaning liquid discharge port 332, a pressure control valve or the like may be formed.

<Air supply part 50>

The air supply unit 50 is formed at the rear of the body 20 and includes a first air supply unit 53 and a second air supply unit 56 (see FIGS. 4A and 4B).

The first air supply unit 53 is formed behind the second buffer space 240 formed in the body 20 to supply air to the second buffer space 240 (see FIG. 4D), and the second The air supply unit 56 is formed behind the third buffer space 260 formed in the body 20 to supply air to the third buffer space 260 (see FIG. 4E).

The first air supply unit 53 includes a first air moving path 532 and a first air supply pipe 534 (see FIG. 4D). The first air moving path 532 is connected to the second buffer space 240 and is formed in the body 20, and the first air supply pipe 534 is connected to the first air moving path 532. It is connected and formed outside the body 20. In addition, although not shown, an air pressure device for supplying air is connected to the end of the first air supply pipe 534. Therefore, the air supplied from the pneumatic device is the first air chamber of the first plate 33 via the first air supply pipe 534, the first air movement path 532, and the second buffer space 240. It will be released through the outlet 334. A pressure control valve or the like may be formed at an appropriate position to adjust the discharge pressure of the air discharged to the first air discharge port 334.

The second air supply unit 56 includes a second air movement path 562 and a second air supply pipe 564 (see FIG. 4E). The second air moving path 562 is connected to the third buffer space 260 and is formed in the body 20, and the second air supply pipe 564 is connected to the second air moving path 562. It is connected and formed outside the body 20. In addition, although not shown, an air pressure device for supplying air is connected to the end of the second air supply pipe 564. Therefore, the air supplied from the pneumatic device is the second air chamber of the second plate 33 via the second air supply pipe 564, the second air movement path 562, and the third buffer space 260. It is to be discharged through the outlet 362. A pressure regulating valve or the like may be formed at an appropriate position to adjust the discharge pressure of the air discharged to the second air discharge port 362.

<Balance mechanism 60>

Referring to FIG. 2, the pair of plates 30 and the nozzle portion of the printing nozzle 1 are moved while the cleaning device 10 moves from one end of the nozzle portion 5 to the other end of the printing nozzle 1. 5) A uniform cleaning process may be performed only when the intervals are maintained uniformly. In some cases, when the nozzle part 5 of the printing nozzle 1 is curved, the pair of plates 30 and the printing nozzle The spacing between the nozzle portions 5 of (1) may be non-uniform so that a uniform cleaning process may not be performed.

In this case, even if the nozzle portion 5 of the printing nozzle 1 is bent, the cleaning device 10 can be moved while moving from one end to the other end of the nozzle portion 5 of the printing nozzle 1. A balancing mechanism 60 is formed so that the distance between the pair of plates 30 and the nozzle portion 5 of the printing nozzle 1 can be maintained uniformly.

As can be seen in Figures 3a to 3c, the balance mechanism 60 is connected below the pair of body 20, the first support plate 61, the first elastic member 63, the second support plate ( 65), and a supporting rod 67.

The first support plate 61 is coupled to the lower portion of the pair of bodies 20.

The first elastic member 63 is formed at four corners of the peripheral portion of the first support plate 61, preferably at the first support plate 61.

The second support plate 65 is formed below the first support plate 61 and is connected to the first elastic member 63.

The support rod 67 is connected to the central portion of the first support plate 61 through the bearing 68, and is formed through the second support plate 65, and the outer peripheral surface of the support rod 67 The second elastic member 69 is formed (see FIG. 3C).

By such a balance mechanism 60, the distance between the pair of plates 30 and the nozzle portion 5 of the printing nozzle 1 can be kept uniform at all times. Due to the elastic member 63, the balance mechanism 60 can be tilted left and right, and accordingly, the body 20 and the plate 30 connected to the upper side of the balance mechanism 60 can be tilted left and right. The support rod 67 formed on the outer circumferential surface of the second elastic member 69 may move up and down, and thus the body 20 and the plate 30 connected to the upper side of the balancing mechanism 60 may move up and down.

Accordingly, one plate 30 can be moved up, down, left and right, and this operation is performed when the distance between the pair of plates 30 and the nozzle portion 5 of the printing nozzle 1 is uneven to each other. do. In more detail, when the distance between the pair of plates 30 and the nozzle portion 5 of the printing nozzle 1 becomes non-uniform with each other, the air discharged from the plate 30 on one side of the printing nozzle 1 Differences occur between the air pressure generated when colliding with the nozzle portion 5 of) and the air pressure generated when the air released from the plate 30 on the other side collides with the nozzle portion 5 of the printing nozzle 1, Due to the difference in air pressure such that the non-uniform pressure is transmitted to the balance mechanism (60). When the non-uniform pressure is transmitted to the balance mechanism 60 as described above, the support rod 67 formed on the outer circumferential surface of the first elastic member 63 and the second elastic member 69 is operated, and thus the body ( 20) and the plate 30 are balanced while moving up, down, left and right, so that the interval between the pair of plates 30 and the nozzle portion 5 of the printing nozzle 1 becomes uniform to each other.

Referring to the operation of the cleaning device 10 according to an embodiment of the present invention described above are as follows.

First, one end of the nozzle unit 5 of the printing nozzle 1 is moved to the cleaning apparatus 10 such that the plate 30 of the cleaning apparatus 10 is spaced apart from the nozzle unit 5 of the printing nozzle 1 at a slight interval. Posted in It is preferable that the said interval is 50 micrometers or less.

Next, the residue remaining in the nozzle unit 5 is removed while moving the cleaning device 10 from one end of the nozzle unit 5 of the printing nozzle 1 to the other end.

Referring to the process of removing the residue, first, the cleaning liquid supply unit 40 is operated so that the cleaning liquid passes through the cleaning liquid supply pipe 44, the cleaning liquid moving path 42, and the first buffer space 220. ) To be discharged through the cleaning liquid discharge port 332. At this time, the first air supply unit 53 is operated to allow air to flow through the first air supply pipe 534, the first air movement path 532, and the second buffer space 240. By forming the air curtain by being discharged through the one air discharge port 334, the cleaning liquid discharged through the cleaning liquid discharge port 332 is prevented from scattering to the unwanted area.

In addition, the second air supply unit 56 is operated to allow air to flow through the second air supply pipe 564, the second air movement path 562, and the third buffer space 260. It is allowed to be discharged through the two air discharge port 362 to form an air blade. By forming the air blade as described above, the cleaning liquid and the residues discharged through the cleaning liquid discharge port 332 and bury in the nozzle unit 5 of the printing nozzle 1 are completely removed, and the nozzle unit 5 of the printing nozzle 1 is removed. Will be dried.

Here, as described above, since the second plate 36 is formed behind the first plate 33 when the cleaning device 1 is moved in the reference direction, the air curtain is formed. The process of discharging the cleaning liquid at is performed first, followed by the cleaning liquid and residue removal process and drying process through the air blade.

On the other hand, while moving the cleaning device 10 from one end of the nozzle portion 5 of the printing nozzle 1 to the other end, the nozzle portion 5 of the printing nozzle 1 is bent, etc. Even if there is a risk of variation in the interval between the nozzle portion 5 of the printing nozzle 1 and the balance mechanism 60 formed in the cleaning apparatus 10, the pair of plates 30 and the printing are operated. The interval between the nozzle portions 5 of the nozzle 1 is always kept constant. Since the operation of the balance mechanism 60 is the same as described above, a detailed description thereof will be omitted.

1A is a schematic perspective view of a general printing nozzle, and FIG. 1B is a cross-sectional view of the A-A line of FIG. 1A.

2 is a front view of a cleaning apparatus for a printing nozzle according to an embodiment of the present invention.

Figure 3a is a perspective view of the cleaning device of the printing nozzle according to an embodiment of the present invention, Figure 3b is a side view of Figure 3a, Figure 3c is a cross-sectional view of the line A-A of Figure 3b.

Figure 4a is a perspective view showing a part of the cleaning device of the printing nozzle according to an embodiment of the present invention, Figure 4b is a top view of Figure 4a, Figure 4c is a cross-sectional view of the line AA of Figure 4b, Figure 4d It is sectional drawing of the BB line of FIG. 4B, and FIG. 4E is sectional drawing of the CC line of FIG. 4B.

DESCRIPTION OF THE REFERENCE NUMERALS OF THE DRAWINGS FIG.

10: cleaning device 20: body

30: plate 33: first plate

36: second plate 40: cleaning liquid supply unit

50: air supply 53: first air supply

56: second air supply unit 60: balance mechanism

Claims (10)

A body having a first buffer space in which the cleaning liquid resides, a second buffer space in which air for forming the air curtain, and a third buffer space in which air for forming the air blade; A plate having a cleaning liquid discharge port communicating with the first buffer space, a first air discharge port communicating with the second buffer space, and a second air discharge port communicating with the third buffer space; A cleaning solution supply unit communicating with the first buffer space and supplying a cleaning solution to the first buffer space; And And an air supply unit communicating with the second buffer space and the third buffer space to supply air to the second buffer space and the third buffer space, respectively. The second air discharge port is formed at the rear of the cleaning liquid discharge port when the cleaning device moves in a direction, and the nozzle part of the printing nozzle is spaced apart from the nozzle part of the printing nozzle. Cleaning apparatus for a printing nozzle to clean. The method of claim 1, The plate consists of a first plate and a second plate, The first plate includes a cleaning liquid discharge port communicating with the first buffer space and formed in a predetermined pattern, and a first air discharge opening communicating with the second buffer space and formed in a pattern surrounding the cleaning liquid discharge port from an upper side to a side side. Done by And the second plate communicates with the third buffer space and includes a second air outlet having a plurality of air discharge holes. The method of claim 2, And the second plate is formed of a pattern pad including a plurality of air discharge holes and an air passage connecting the air discharge holes in a predetermined pattern. The method of claim 2, The second plate is a cleaning device for a printing nozzle, characterized in that consisting of a porous pad including a plurality of air discharge holes. The method of claim 1, The cleaning liquid supply unit of claim 1, wherein the cleaning liquid supply unit is connected to the first buffer space and is formed in the body, and the cleaning liquid supply pipe connected to the cleaning liquid movement path and formed outside the body. The method of claim 1, The air supply part comprises a first air supply part and a second air supply part, The first air supply part is connected to the second buffer space and comprises a first air supply path formed in the body and the first air supply path connected to the first air movement path and formed outside the body, The second air supply part is connected to the third buffer space and is connected to the second air movement path formed in the body and the second air movement path, characterized in that it comprises a second air supply pipe formed outside the body Cleaner for printing nozzles. The method of claim 1, The body, the plate, the cleaning liquid supply and the air supply is composed of a pair facing each other, the pair of plates is configured to face while maintaining a predetermined angle to correspond to the shape of the nozzle portion of the printing nozzle Cleaning device. The method of claim 7, wherein And a balancing mechanism for maintaining a uniform distance between the pair of plates and the nozzle portion of the printing nozzle. The method of claim 8, The balance mechanism is connected to a lower portion of the first support plate, a plurality of first elastic members formed on the periphery of the first support plate, and the first elastic member is formed under the first support plate Cleaning device for a printing nozzle comprising a second support plate. 10. The method of claim 9, The balancing mechanism is connected to the central portion of the first support plate via a bearing, the printing nozzle, characterized in that it further comprises a support rod formed through the second support plate, the second elastic member is formed on the outer peripheral surface Cleaning equipment.

Images