WO2017116199A1

WO2017116199A1 - Device for cleaning printing head of inkjet printer

Info

Publication number: WO2017116199A1
Application number: PCT/KR2016/015549
Authority: WO
Inventors: 노희석; 유병무
Original assignee: 주식회사 잉크테크
Priority date: 2015-12-31
Filing date: 2016-12-30
Publication date: 2017-07-06
Also published as: EP3398783A4; CN107206795B; CN107206795A; KR102202028B1; EP3398783B1; EP3398783A1; KR20170079813A

Abstract

Disclosed is a device for cleaning the printing head of an inkjet printer. The disclosed device for cleaning the printing head comprises: a waste ink tray; a wiping blade installed on the waste ink tray so as to clean the printing head of the inkjet printer; a rotating means installed on the waste ink tray so as to rotate the wiping blade in a standing state and in a lying state; and a washing means installed on the waste ink tray so as to contact the wiping blade when the wiping blade rotates, thereby washing the wiping blade.

Description

Printhead Cleaning Device for Inkjet Printers

The present invention relates to an inkjet printer, and more particularly to a printhead cleaning apparatus of an inkjet printer for cleaning the printhead of the inkjet printer.

An inkjet printer is an apparatus for printing an image of a predetermined color on the surface of a printing medium by discharging minute droplets of printing ink to a desired position on the printing medium.

In general, an inkjet printer includes a carrier reciprocating in a predetermined direction, an ink cartridge mounted on the carrier to receive ink, and a printhead provided in the ink cartridge to eject ink. The print head is provided with a plurality of nozzles for ejecting ink toward the surface of the print medium.

By the way, foreign matters such as ink discharged from a plurality of nozzles and surrounding dust are deposited on the surface of the print head. In this case, when the ink is solidified, the nozzle may be blocked or foreign matter may block the nozzle, thereby preventing the ink from being discharged or the ink discharging direction may be shifted, thereby degrading the print quality.

In order to prevent such a problem, in general, the wiping blade is reciprocated during or after the printing operation to remove ink or foreign matter around the nozzle by cleaning the surface of the print head.

However, when the printhead is cleaned, ink is deposited on the wiping blade. As ink on the wiping blade solidifies, the surface of the printhead may be damaged or the surface of the printhead may not be cleaned smoothly. There was a problem. In addition, foreign matters such as dust and the like may be buried in the wiping blade, and such foreign matters may also cause a problem of damaging or contaminating the printhead.

In addition, the conventional wiping blades are always exposed to the outside even when the cleaning operation is not performed. Accordingly, there is a problem that foreign matters such as dust around them are easily buried in the wiping blades.

In particular, in the case of an inkjet printer using UV curing ink, if the wiping blade is always exposed to the outside, the ink deposited on the wiping blade may be affected by light or ultraviolet rays and thus solidify more quickly. .

The present invention provides a printhead cleaning apparatus of an inkjet printer having a configuration capable of cleanly cleaning ink or foreign matter on a wiping blade to prevent damage to the printhead of the inkjet printer and to clean the printhead more effectively. The purpose is.

The printhead cleaning apparatus of an inkjet printer according to the present invention for achieving the above technical problem,

Waste ink tray;

A wiping blade installed in the waste ink tray to clean a print head of an ink jet printer;

A rotation means installed on the waste ink tray to rotate the wiping blade in a standing state and in a lying state; And

And cleaning means installed in the waste ink tray to clean the wiping blade by being in contact with the wiping blade when the wiping blade rotates.

The wiping blade may be installed to be inclined with respect to the moving direction of the waste ink tray or the print head.

In addition, the waste ink tray is provided with a cover plate covering the waste ink tray, and the cover plate has a cleaning liquid inlet for injecting a cleaning liquid into the cleaning means, and protrudes an upper end of the wiping blade onto the cover plate. Wiping blade protrusions may be formed through.

In addition, a waste ink outlet for discharging waste ink stored in the waste ink tray to the outside is formed at the bottom of the waste ink tray, and the waste ink outlet is connected to a pump for discharging waste ink through a waste ink discharge hose. The waste ink discharged by the pump may be stored in the waste ink storage tank.

The apparatus may further include a reciprocating means for reciprocating the waste ink tray in a predetermined direction.

The reciprocating means may include two pulleys spaced along the reciprocating direction of the waste ink tray, a driving motor for rotating one of the two pulleys, and wound around the two pulleys. It may include a belt circulating, and a belt coupling member fixed to the waste ink tray and coupled to the belt.

In addition, further comprising a guide means for guiding the reciprocating movement of the waste ink tray, the guide means, a guide bar extending horizontally parallel to the reciprocating movement direction of the waste ink tray, and is fixed to the waste ink tray It may include a slide member coupled to the guide bar to be slidable.

In addition, the rotation means may include a support member supporting the wiping blade, a rotation shaft installed on both side walls of the waste ink tray and coupled to both ends of the support member, and the rotation shaft rotated at an angle. It may include a drive means for.

In addition, the support member has a rod shape extending in the width direction of the waste ink tray, the support member is formed with an insertion groove for inserting the lower end of the wiping blade, the lower end of the wiping blade is the insertion groove It may be fixed to the support member in the inserted state.

The driving means may include a lever member having one end coupled to the pivot shaft, and a hydraulic cylinder or pneumatic cylinder coupled to the other end of the lever member to push and pull the other end of the lever member.

In addition, the support member may be provided with a cover member for covering the wiping blade from the upper side of the wiping blade when the wiping blade is rotated in a lying down state.

In addition, the cover member may be formed through the discharge hole for discharging the ink and foreign matter flowed down along the wiping blade.

In addition, the cover member may cover the wiping blade protrusion formed in the cover plate when the wiping blade is rotated in a lying down state.

In addition, the cleaning means, the wiping blade may include a sponge that can be in elastic contact and may contain a cleaning liquid, and a fabric surrounding the outer surface of the sponge.

In addition, the cleaning means is installed in the waste ink tray, a portion may be installed so as to overlap the rotation path of the wiping blade.

In addition, the cleaning means is installed in the upper end of the front side of the waste ink tray, the waste ink tray is provided with a support plate for supporting the cleaning means, the support plate so that the wiping blade can contact the cleaning means. A through hole exposing the cleaning means may be formed.

In addition, an opening for installing and replacing the cleaning means is formed at an upper end of the front surface of the waste ink tray, and a cover plate blocking the opening may be detachably installed on the front surface of the waste ink tray.

The printhead cleaning apparatus of the inkjet printer according to the present invention can clean the ink and foreign matter on the wiping blade to clean the printhead, thereby increasing the cleaning efficiency of the printhead, and also by the solidified ink or foreign matter. There is an effect that can prevent damage to the printhead.

And since the wiping blade is inclined with respect to the moving direction, the ink on the wiping blade can flow down quickly and smoothly while cleaning the print head, so that the wiping blade can be cleaned quickly and cleanly. .

In addition, when the wiping blade is not used, the wiping blade is rotated while lying inside the waste ink tray and the cover member covers the upper side of the wiping blade, so that the ink on the wiping blade is exposed to external light. And it is effective to prevent the coagulation by ultraviolet rays and foreign matter such as dust on the wiping blade.

1 is a perspective view showing a printhead cleaning apparatus of an inkjet printer according to the present invention.

FIG. 2 is an exploded perspective view of the printhead cleaning device shown in FIG. 1.

3 is a perspective view showing a reciprocating means for reciprocating the waste ink tray of the printhead cleaning apparatus shown in FIG.

4 is a plan view illustrating the wiping blade illustrated in FIG. 1.

5 is a cross-sectional view of the cleaning means shown in FIG.

FIG. 6 is a view showing a state in which the wiping blade is rotated by the rotating means shown in FIG. 1.

FIG. 7 is a view illustrating a state in which the wiping blade is rotated by the pivoting means shown in FIG. 1.

Hereinafter, a printhead cleaning apparatus of an inkjet printer according to the present invention will be described with reference to the accompanying drawings. Like reference numerals in the following drawings indicate like elements.

1 is a perspective view illustrating a printhead cleaning apparatus of an inkjet printer according to the present invention, FIG. 2 is an exploded perspective view of the printhead cleaning apparatus illustrated in FIG. 1, and FIG. 3 is a perspective view of the printhead cleaning apparatus illustrated in FIG. 1. 4 is a perspective view showing a reciprocating means for reciprocating the waste ink tray, FIG. 4 is a plan view showing the wiping blade shown in FIG. 1, and FIG. 5 is a cross-sectional view of the cleaning means shown in FIG. 1 and 3, the wiping blade is shown in an upright position, and in FIG. 2, the wiping blade is shown in a down state.

1 to 5 together, the printhead cleaning apparatus 100 of the inkjet printer according to the present invention is an apparatus for cleaning the printhead 20 provided on the bottom surface of the ink cartridge 10 of the inkjet printer, The wiping blade 120 removes foreign matters such as ink and dust from the surface of the print head 20, and also cleans the ink and foreign matters from the wiping blade 120.

The print head cleaning apparatus 100 includes a waste ink tray 110, a wiping blade 120 for cleaning the print head 20, and a rotation means 130 for rotating the wiping blade 120. And, it comprises a cleaning means 140 for cleaning the wiping blade 120.

Specifically, the waste ink tray 110 is a rectangular storage area for storing foreign substances such as ink and dust removed from the print head 20 by the wiping blade 120 (hereinafter referred to as waste ink). It is formed into a box shape. A waste ink outlet 181 for discharging waste ink stored in the waste ink tray 110 to the outside is formed at the bottom of the waste ink tray 110, which will be described later.

The waste ink tray 110 may be provided with a cover plate 111 covering the waste ink tray 110. The cover plate 111 may be installed on the waste ink tray 110 using a plurality of screws 112.

After the print job is completed, the ink inside the printhead 20 is generally purged to prevent the ink remaining in the printhead 20 from solidifying. In this case, a purge ink inlet 115 may be formed through the cover plate 111 to introduce the ink purged from the print head 20 into the waste ink tray 110. In addition, the cover plate 111 is also formed through the cleaning solution injection port 113 and the wiping blade protrusion 114, these will be described in detail later.

The waste ink tray 110 may be installed to reciprocate in a predetermined direction (arrow A direction), and for this purpose, a reciprocating means 160 for reciprocating the waste ink tray 110 in an arrow A direction is provided. do.

The reciprocating means 160, two pulleys (162, 163) are provided at a predetermined interval along the reciprocating movement direction of the waste ink tray 110, any one of the two pulleys (162, 163) Drive motor 165 for rotating the pulley 163 of the belt, a belt 164 circulating around the two pulleys (162, 163), and fixed to the waste ink tray 110, the belt 164 It may include a belt coupling member 161 coupled to.

The belt coupling member 161 may be fixedly installed on an outer surface of the waste ink tray 110, and the two

pulleys

162 and 163 and the driving motor 165 may be mounted on a frame (not shown) of an inkjet printer. Can be installed.

When the belt 164 is circulated in the predetermined direction by the driving motor 165, the belt coupling member 161 coupled to the belt 164 reciprocates in the arrow A direction, and the belt coupling member Waste ink tray 110 is fixed 161 is also reciprocating in the direction of the arrow A.

Accordingly, as described below, the wiping blade 120 installed in the waste ink tray 110 also moves back and forth in the same direction, that is, arrow A, and removes ink and foreign matter from the print head 20, thereby removing the print head. Clean 20. This will be described later.

Then, the guide means 170 for reciprocating the waste ink tray 110 may be further provided.

The guide means 170 is a guide bar (171) extending horizontally in parallel with the reciprocating movement direction of the waste ink tray 110 and fixed to the waste ink tray 110, the guide It may include a slide member 173 coupled to the bar 171 to be slidable. Both ends of the guide bar 171 may be fixedly installed on a frame (not shown) of the inkjet printer using the bracket 172, and the slide member 173 may move in the reciprocating direction of the waste ink tray 110. Two may be installed at predetermined intervals.

When the waste ink tray 110 reciprocates by the reciprocating means 160, the slide member 173 slides along the guide bar 171, so that the waste ink tray 110 also slides. Together with the member 173, the horizontal reciprocating movement can be stably performed without being shaken along the guide bar 171.

On the other hand, the specific configuration of the above-mentioned reciprocating means 160 and the specific configuration of the guide means 170 is a preferred example, in addition to this configuration may have a variety of configurations.

In addition, although the waste ink tray 110 and the wiping blade 120 have been described as reciprocating in the direction of arrow A, the ink cartridge 10 and the printhead 20 reciprocate in the direction of arrow A instead. You can also move. When the ink cartridge 10 and the print head 20 reciprocate in this way, the reciprocating means 160 and the guide means 170 described above are not provided in the print head cleaning apparatus 100 according to the present invention. Can be.

The wiping blade 120, the rotation means 130, and the cleaning means 140 are installed in the waste ink tray 110.

The wiping blade 120 cleans the print head 20 by removing foreign substances such as ink and dust from the surface of the print head 20 in contact with the surface of the print head 20. It may be made of a synthetic resin having. The wiping blade 120 is rotatably installed in the waste ink tray 110.

As shown in FIG. 4, the wiping blade 120 may be installed to be inclined with respect to the reciprocating direction of the waste ink tray 110 or the print head 20, that is, the arrow A direction. In this case, the inclination angle α of the wiping blade 120 may be about 60 degrees.

As such, when the wiping blade 120 is installed to be inclined with respect to the arrow A direction, the ink on the wiping blade 120 can flow down more quickly and smoothly, thereby quickly and cleanly wiping the wiping blade 120. There is an advantage that can be cleaned.

The rotating means 130 serves to rotate the wiping blade 120 and is installed in the waste ink tray 110.

The pivoting means 130 is installed on both side walls of the waste ink tray 110 and the support member 121 for supporting the wiping blade 120 and is provided at both ends of the support member 121. Rotating shaft 131 is coupled, and may include a drive means for rotating the rotation shaft 131 by a predetermined angle.

The support member 121 may have a rod shape extending in the width direction of the waste ink tray 110, and an insertion groove 122 into which the lower end of the wiping blade 120 is inserted into the support member 121. ) May be formed. The wiping blade 120 may be firmly fixed to the support member 121 by using a clip 124 and a fastening screw 125 in a state where a lower end thereof is inserted into the insertion groove 122.

Meanwhile, a plurality of print heads may be provided in an ink cartridge of an ink jet printer, and the wiping blade 120 may be provided as many as the number of print heads. In this case, the support member 121 has a plurality of insertion grooves 122 are formed at regular intervals in the width direction of the waste ink tray 110, that is, in the longitudinal direction of the support member 121, The wiping blades 120 are inserted into the plurality of insertion grooves 122, respectively.

The pivot shaft 131 is rotatably inserted into the pivot shaft insertion hole 128 formed through both side walls of the waste ink tray 110. And, both ends of the support member 121 may be formed with a coupling groove 127 is coupled to one end of the rotation shaft 131, the end of the rotation shaft 131 is coupled to the coupling groove 127 It can be firmly coupled to both ends of the support member 121 using a screw (not shown) in the inserted and coupled state.

The driving means may include a lever member 132 having one end coupled to the pivot shaft 131, and a hydraulic cylinder coupled to the other end of the lever member 132 to push and pull the other end of the lever member 132. 133) or pneumatic cylinders. The hydraulic cylinder 133 may be coupled to and supported by a bracket 137 fixed to a sidewall of the waste ink tray 110. A link member 135 is coupled to an end of the plunger 134 of the hydraulic cylinder 133, and the link member 135 is coupled to the other end of the lever member 132 through a link pin 136.

On the other hand, the specific configuration of the drive means corresponds to a preferred example, in addition may have a variety of configurations. For example, the driving means may be a driving motor coupled to the rotation shaft 131 to rotate the rotation shaft 131.

When the hydraulic cylinder 133 is operated, the plunger 134 pushes or pulls the other end of the lever member 132. 1, when the plunger 134 of the hydraulic cylinder 133 pushes the other end of the lever member 132, the lever member 132 is rotated in the counterclockwise direction, Accordingly, the wiping blade 120 coupled to the support member 121 is vertically rotated while the rotation shaft 131 also rotates counterclockwise. On the contrary, as shown in FIG. 2, when the plunger 134 of the hydraulic cylinder 133 pulls the other end of the lever member 132, the lever member 132 rotates clockwise. Accordingly, the wiping blade 120 coupled to the support member 121 rotates about the rotation shaft 131 in the clockwise direction so that the rotating shaft 131 also lies horizontally.

As described above, the wiping blade 120 is rotated in a vertical state and lying down by the rotation means 130, when the wiping blade 120 is rotated in a standing state The upper end of the blade 120 protrudes above the cover plate 111. As described above, the wiping blade protrusion 114 is formed in the cover plate 111 so that the upper end of the wiping blade 120 may protrude upward from the cover plate 111. When the wiping blades 120 are plural, the wiping blade protrusions 114 are also formed in plural numbers at intervals in the width direction of the cover plate 111.

The support member 121 includes a cover member 150 that covers the wiping blade 120 from an upper side of the wiping blade 120 when the wiping blade 120 is rotated in a lying down state. Can be installed. The cover member 150 may be fixed by fastening to the support member 121 by using a screw (not shown). The cover member 150 has a plurality of discharge holes for discharging them to prevent the ink and foreign substances flowed along the wiping blade 120 to be accumulated between the support member 121 and the cover member 150 ( 152 may be formed through.

The cover member 150 covers the wiping blade protrusion 114 formed in the cover plate 111 when the wiping blade 120 is rotated in a lying down state, and thus the wiping blade protrusion ( 114 to prevent external light or ultraviolet rays from reaching the wiping blade 120, and also prevents foreign matters such as dust from entering. On the contrary, when the wiping blade 120 is rotated in an upright position, the cover member 150 rotates together with the support member 121 to close the wiping blade protrusion 114 formed on the cover plate 111. do not choose.

The cleaning means 140 contacts the wiping blade 120 when the wiping blade 120 rotates to remove ink and foreign matter from the wiping blade 120, thereby wiping the wiping blade 120. ) To clean.

Specifically, the cleaning means 140 is installed in the waste ink tray 110, but a portion is installed so as to overlap the rotation path of the wiping blade 120, thereby the wiping blade 120 is rotated When the tip of the wiping blade 120 is in contact with the cleaning means 140 is to be cleaned. This will be described in detail later.

The cleaning means 140 may include a sponge 141 and a fabric 142 surrounding the outer surface of the sponge 141. Since the sponge 141 is porous, it may contain a large amount of cleaning solution, and since the sponge 141 has elasticity, the wiping blade 120 may be closely attached without damaging the sponge 141. In addition, since the fabric 142 surrounding the outer surface of the sponge 141 is more durable than the sponge 141, damage to the sponge 141 due to direct contact between the sponge 141 and the wiping blade 120 is prevented. It can be suppressed there is an advantage that the life of the cleaning means 140 is long. In addition, when the fabric 142 is contaminated or damaged, only the fabric 142 needs to be replaced, thereby reducing the maintenance cost.

In addition, a plurality of cleaning solution injection holes 113 may be formed in the cover plate 111 to inject the cleaning solution into the cleaning means 140. As such, the cleaning liquid inlet 113 is formed in the cover plate 111, so that the cleaning liquid can be smoothly injected into the cleaning means 140 even if the cleaning means 140 is not separated from the waste ink tray 110. There is this.

The cleaning means 140 may be installed at the upper end of the front side of the waste ink tray 110. To this end, the waste ink tray 110 may be provided with a support plate 143 supporting the cleaning means 140. In addition, the support plate 143 may be provided with a through hole 144 exposing the cleaning means 140 to allow the wiping blade 120 to contact the cleaning means 140.

An opening 116 for installing and replacing the cleaning means 140 may be formed at an upper end of the front surface of the waste ink tray 110. In addition, the cover plate 117 blocking the opening 116 may be detachably installed on the front surface of the waste ink tray 110 by using the bolt 118 and the nut 119.

FIG. 6 is a view showing a state in which the wiping blade is rotated by the rotating means shown in FIG. 1 to stand up, and FIG. 7 is a view in which the wiping blade is rotated to be laid down by the rotating means shown in FIG. 1. One drawing.

First, referring to FIG. 6, the cleaning operation is performed on the print head 20 provided in the ink cartridge 10 in a state in which the wiping blade 120 is vertically held by the rotation means 130. At this time, the upper end of the wiping blade 120 is protruded to the upper portion of the cover plate 111 through the wiping blade protrusion 114 formed in the cover plate 111, the cover member (installed on the support member 121 ( 150 is rotated so as not to block the wiping blade protrusion 114.

Before cleaning the printhead 20 using the wiping blade 120, a job of purging the ink inside the printhead 20 to prevent the ink remaining in the printhead 20 from solidifying is performed. Can be preceded. At this time, the purge ink inlet 115 formed in the cover plate 111 is located directly below the print head 20, in this state the ink purged from the print head 20 through the purge ink inlet 115 The waste ink tray 110 is introduced into and stored.

After the purge operation is completed, the waste ink tray 110 and the wiping blade 120 are moved backward by the reciprocating means 160 in the direction of the arrow A, and in the process, the upper end of the wiping blade 120 Touches the surface of the printhead 20 to remove ink and foreign matter from the surface of the printhead 20. As such, the ink and the foreign matter removed from the print head 20 flow down along the surface of the wiping blade 120 and are stored in the waste ink tray 110. In particular, the ink and the foreign substances flowing down from the wiping blade 120 between the support member 121 and the cover member 150 are discharged through the discharge hole 152 formed through the cover member 150 to discharge the waste ink tray. 110 may be stored inside.

As described above, the waste ink stored in the waste ink tray 110 may be discharged to the outside through the waste ink outlet 181 formed through the bottom of the waste ink tray 110. A pump 183 for discharging waste ink is connected to the waste ink discharge port 181 through a waste ink discharge hose 182, and the waste ink discharged by the pump 183 is a waste ink storage tank 184. Can be stored in.

On the other hand, as described above, instead of the waste ink tray 110, the ink cartridge 10 and the print head 20 may be reciprocated in the direction of the arrow A, in this process, the wiping blade 120 is the print head The surface of 20 may be cleaned.

Next, referring to FIG. 7, after the cleaning operation on the print head 20 is completed, the wiping blade 120 is rotated in a state in which the wiping blade 120 is laid down substantially horizontally. In this process, the wiping blade 120 while the upper end of the rotating wiping blade 120 is in contact with the cleaning means 140 through the through hole 144 formed in the support plate 143 supporting the cleaning means 140. The ink and foreign substances on the surface are cleaned. At this time, the wiping blade 120 is completely in the waste ink tray 110, the cover member 150 covers the upper side of the wiping blade 120, the wiping blade protrusion formed in the cover plate 110 (114). Therefore, it is possible to prevent external light or ultraviolet rays from reaching the wiping blade 120 through the wiping blade protrusion 114 and to prevent foreign substances such as dust from entering.

In addition, even when the wiping blade 120 is rotated in a lying down state by the pivoting means 130 in the lying down state, the wiping blade 120 has an upper end portion in contact with the cleaning means 140, and the wiping blade 120 ) Ink and debris on the surface may be cleaned.

As described above, the printhead cleaning apparatus 100 of the inkjet printer according to the present invention may use the wiping blade 120 to clean the surface of the printhead 20 as well as the wiping blade 120. ) You can clean the ink and foreign substances on the board. Therefore, there is an advantage to increase the cleaning efficiency for the print head 20, and also there is an advantage to prevent damage to the print head 20 due to solidified ink or foreign matter.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Accordingly, the true scope of protection of the present invention should be defined by the appended claims.

Claims

Waste ink tray;

A wiping blade installed in the waste ink tray to clean a print head of an ink jet printer;

A rotation means installed on the waste ink tray to rotate the wiping blade in a standing state and in a lying state; And

And cleaning means installed in the waste ink tray to clean the wiping blade by being in contact with the wiping blade when the wiping blade rotates.
The method of claim 1,

And the wiping blade is installed to be inclined with respect to a direction of movement of the waste ink tray or the print head.
The method of claim 1,

The waste ink tray is provided with a cover plate covering the waste ink tray,

The cover plate may include a cleaning liquid injection hole for injecting a cleaning liquid into the cleaning means, and a wiping blade protrusion for protruding an upper end of the wiping blade to the upper cover plate. Device.
The method according to any one of claims 1 to 3,

A waste ink outlet for discharging waste ink stored in the waste ink tray to the outside is formed at the bottom of the waste ink tray, and a pump for discharging waste ink is connected to the waste ink outlet through a waste ink discharge hose. The waste ink discharged by the pump is stored in the waste ink storage tank print head cleaning apparatus of the ink jet printer.
The method of claim 1,

And a reciprocating means for reciprocating the waste ink tray in a predetermined direction.
The method of claim 5,

The reciprocating means may include two pulleys installed at intervals along the reciprocating direction of the waste ink tray, a driving motor for rotating one of the two pulleys, and wound around the two pulleys for circulation. And a belt coupling member fixed to the waste ink tray and coupled to the belt.
The method according to claim 5 or 6,

Further comprising a guide means for guiding the reciprocating movement of the waste ink tray,

The guide means, the inkjet comprises a guide bar extending horizontally in parallel with the reciprocating movement direction of the waste ink tray, and a slide member fixed to the waste ink tray and coupled to the guide bar so as to be slidable. Printer's printhead cleaning device.
The method according to any one of claims 1 to 3,

The rotation means includes a support member for supporting the wiping blade, a rotation shaft installed on both side walls of the waste ink tray and rotatably coupled to both ends of the support member, and a drive for rotating the rotation shaft at an angle. A printhead cleaning apparatus for an inkjet printer, comprising means.
The method of claim 8,

The support member has a rod shape extending in the width direction of the waste ink tray, the support member is formed with an insertion groove into which the lower end of the wiping blade is inserted, and the lower end of the wiping blade is inserted into the insertion groove. The printhead cleaning apparatus of the inkjet printer, characterized in that fixed to the support member in the attached state.
The method of claim 8,

The driving means may include a lever member having one end coupled to the pivot shaft, and a hydraulic cylinder or pneumatic cylinder coupled to the other end of the lever member to push and pull the other end of the lever member. Printhead Cleaning Unit.
The method of claim 8,

And the cover member is provided with a cover member covering the wiping blade from an upper side of the wiping blade when the wiping blade is rotated in a lying down state.
The method of claim 11,

And a discharge hole for discharging ink and foreign substances flowing down the wiping blade through the cover member.
The method of claim 11,

And the cover member covers the wiping blade protrusion formed on the cover plate when the wiping blade is rotated in a lying down state.
The method according to any one of claims 1 to 3,

The cleaning means may include a sponge in which the wiping blade may be elastically contacted and may contain a cleaning liquid, and a fabric surrounding the outer surface of the sponge.
The method of claim 14,

The cleaning means is installed on the waste ink tray, the printhead cleaning apparatus of the inkjet printer, characterized in that the portion is installed so as to overlap the rotation path of the wiping blade.
The method of claim 15,

The cleaning means is installed at an upper end of the front side of the waste ink tray, and the waste ink tray is provided with a supporting plate for supporting the cleaning means, and the supporting plate is configured to allow the wiping blade to contact the cleaning means. A printhead cleaning apparatus for an inkjet printer, characterized in that a through hole for exposing the means is formed.
The method of claim 15,

An opening for forming and replacing the cleaning means is formed in the upper front end portion of the waste ink tray, and a cover plate for blocking the opening is detachably installed on the front surface of the waste ink tray. Device.