KR102202028B1 - Apparatus for cleaning printhead of inkjet printer - Google Patents

Abstract

Disclosed is an apparatus for cleaning a printhead of an inkjet printer. The disclosed printhead cleaning apparatus includes a waste ink tray, a wiping blade installed on the waste ink tray to clean the printhead of an inkjet printer, and a wiping blade installed on the waste ink tray to rotate the wiping blade upright and lying down. And a cleaning means installed on the waste ink tray and contacting the wiping blade when the wiping blade rotates to clean the wiping blade.

Description

Apparatus for cleaning printhead of inkjet printer

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 a device that prints an image of a predetermined color on a surface of a printing medium by discharging minute droplets of printing ink at a desired position on a 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 on the ink cartridge to eject ink. The printhead is provided with a plurality of nozzles for discharging ink toward the surface of the print medium.

By the way, foreign substances such as ink discharged from a plurality of nozzles or surrounding dust are adhered to the surface of the printhead. In this case, as the ink is solidified, the nozzle may be clogged or a foreign substance may block the nozzle, so that ink may not be discharged or the discharge direction of the ink may be misaligned, and thus print quality may deteriorate.

In order to prevent such a problem, in general, ink or foreign substances around the nozzles are removed by cleaning the surface of the printhead while the wiping blade moves reciprocally during the printing operation or after the printing operation.

However, when the printhead is cleaned, ink adheres to the wiping blade, and the ink adhered to the wiping blade is solidified, which damages the surface of the printhead or does not smoothly clean the surface of the printhead. There was a problem. In addition, foreign substances such as surrounding dust may be adhered to the wiping blade, and such foreign substances may damage or contaminate the printhead.

In addition, the conventional wiping blade is always exposed to the outside even when the cleaning operation is not performed, and thus there is a problem that foreign substances such as surrounding dust are easily adhered to the wiping blade.

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 embedded in the wiping blade is affected by light or ultraviolet rays, causing a problem in which it solidifies more rapidly. .

The present invention provides a printhead cleaning apparatus for an inkjet printer having a configuration capable of cleanly cleaning ink or foreign matter adhered to a wiping blade so that damage to the printhead of the inkjet printer can be prevented and the printhead can be cleaned more effectively. There is a purpose.

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 on the waste ink tray to clean the print head of the inkjet printer;

A rotating means installed on the waste ink tray to rotate the wiping blade in an erect state and a flat state; And

And a cleaning means installed on the waste ink tray to clean the wiping blade by contacting the wiping blade when the wiping blade rotates.

In addition, 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, the cover plate has a cleaning liquid injection port for injecting a cleaning liquid into the cleaning means, and an upper end of the wiping blade protrudes above the cover plate. For the wiping blade protrusion 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 a pump for discharging waste ink is connected to the waste ink outlet through a waste ink discharge hose. And, the waste ink discharged by the pump may be stored in the waste ink storage tank.

In addition, a reciprocating means for reciprocating the waste ink tray in a predetermined direction may be further provided.

In addition, the reciprocating means includes two pulleys installed at intervals along the reciprocating direction of the waste ink tray, a driving motor rotating one of the two pulleys, and wound around the two pulleys. It may include a circulating belt, and a belt coupling member fixedly installed on the waste ink tray and coupled to the belt.

In addition, 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 direction of the waste ink tray, and fixedly installed on the waste ink tray It may include a slide member coupled to the guide bar to be slidable.

In addition, the rotation means includes a support member for supporting the wiping blade, a rotation shaft rotatably installed on both side walls of the waste ink tray and coupled to both ends of the support member, and a predetermined angle rotation of the rotation shaft. It may include a driving means to let.

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

In addition, the driving means may include a lever member having one end coupled to the rotation shaft, and a hydraulic cylinder or a 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 covering the wiping blade from an upper side of the wiping blade when the wiping blade is rotated in a lying state.

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

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

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

In addition, the cleaning means, doedoe installed on the waste ink tray, may be installed so that a portion overlaps the rotation path of the wiping blade.

In addition, the cleaning means is installed at an upper end of the front side of the waste ink tray, a support plate for supporting the cleaning means is installed on the waste ink tray, and the wiping blade can contact the cleaning means on the support plate. A through hole exposing the cleaning means may be formed.

In addition, an opening for installation and exchange of the cleaning means is formed at the front upper end 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 an inkjet printer according to the present invention has the effect of increasing the cleaning efficiency of the printhead by being able to cleanly clean the ink and foreign matter adhered to the wiping blade, as well as by coagulated ink or foreign matter. There is an effect that can prevent damage to the printhead.

In addition, since the wiping blade is installed 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 there is an effect that the wiping blade can be cleaned quickly and cleanly. .

In addition, when the wiping blade is not used, the wiping blade rotates while lying flat inside the waste ink tray, and the cover member covers the upper side of the wiping blade, so that the ink embedded in the wiping blade is exposed to external light. However, there is an effect of preventing solidification by ultraviolet rays and foreign substances such as dust from getting on the wiping blade.

1 is a perspective view showing a printhead cleaning apparatus of an inkjet printer according to the present invention.
2 is an exploded perspective view of the printhead cleaning apparatus 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. 1.
4 is a plan view illustrating the wiping blade shown in FIG. 1.
5 is a cross-sectional view of the cleaning means shown in FIG. 2.
6 is a view showing a state in which the wiping blade is rotated so that it is erected by the rotating means shown in FIG. 1.
7 is a view showing a state in which the wiping blade is rotated to be laid down by the rotating means shown in FIG. 1.

Hereinafter, an apparatus for cleaning a printhead of an inkjet printer according to the present invention will be described with reference to the accompanying drawings. In the following drawings, the same reference numerals denote the same elements.

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 apparatus shown in FIG. 1, and FIG. 3 is a view of the printhead cleaning apparatus shown in FIG. 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. 2. In FIGS. 1 and 3, the wiping blade is shown in an upright state, and in FIG. 2, the wiping blade is shown in a flat state.

1 to 5, the printhead cleaning apparatus 100 of an inkjet printer according to the present invention is an apparatus for cleaning the printhead 20 provided on the bottom of the ink cartridge 10 of the inkjet printer, The wiping blade 120 not only removes foreign substances such as ink and dust on the surface of the printhead 20, but also cleans ink and foreign substances adhered to the wiping blade 120.

The printhead cleaning device 100 includes a waste ink tray 110, a wiping blade 120 for cleaning the printhead 20, and a rotating means 130 for rotating the wiping blade 120. And, it is configured to include a cleaning means 140 for cleaning the wiping blade 120.

Specifically, the waste ink tray 110 is a place for storing foreign substances (hereinafter referred to as waste ink) such as ink and dust removed from the print head 20 by the wiping blade 120 and has a rectangular shape. It is formed in 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 again later.

A cover plate 111 covering the waste ink tray 110 may be installed on 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 printing operation 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 liquid injection hole 113 and the wiping blade protrusion 114, which will be described in detail later.

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

The reciprocating means 160 may include two pulleys 162 and 163 installed at predetermined intervals along the reciprocating direction of the waste ink tray 110, and any one of the two pulleys 162 and 163. A drive motor 165 that rotates the pulley 163 of the, a belt 164 wound around the two pulleys 162 and 163 and circulated, and the waste ink tray 110 is fixedly installed and the belt 164 It may include a belt coupling member 161 coupled to.

The belt coupling member 161 may be fixedly installed on the outer surface of the waste ink tray 110, and the two pulleys 162 and 163 and the driving motor 165 are attached to the frame (not shown) of the inkjet printer. Can be installed.

When the belt 164 circulates in a predetermined direction by the driving motor 165, the belt coupling member 161 coupled to the belt 164 reciprocates in the direction of arrow A, and the belt coupling member The waste ink tray 110 in which 161 is fixedly installed is also reciprocated in the direction of arrow A.

Accordingly, as will be described later, the wiping blade 120 installed in the waste ink tray 110 also reciprocates in the same direction, that is, in the direction of arrow A, and removes ink and foreign substances on the print head 20 to remove the print head. (20) will be cleaned. This will be described again later.

In addition, a guide means 170 for guiding the reciprocating movement of the waste ink tray 110 may be further provided.

The guide means 170, a guide bar 171 extending horizontally in parallel with the reciprocating direction of the waste ink tray 110, and fixedly installed on 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 to a frame (not shown) of an inkjet printer using a bracket 172, and the slide member 173 is in a reciprocating direction of the waste ink tray 110 Two can be installed at a predetermined interval.

When the waste ink tray 110 reciprocates by the reciprocating means 160, the slide member 173 slides along the guide bar 171, so the waste ink tray 110 also slides Together with the member 173, it is possible to stably horizontally reciprocate without shaking along the guide bar 171.

On the other hand, the specific configuration of the reciprocating means 160 and the specific configuration of the guide means 170 described above correspond to a preferred example, and may have various configurations in addition to these configurations.

And, in the above, it has been described that the waste ink tray 110 and the wiping blade 120 reciprocate in the direction of arrow A, but instead, the ink cartridge 10 and the print head 20 reciprocate in the direction of arrow A. 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 printhead cleaning apparatus 100 according to the present invention. I can.

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 contacting the surface of the print head 20 to remove foreign substances such as ink and dust on the surface of the print head 20, It can be made of synthetic resin material with The wiping blade 120 is rotatably installed on the waste ink tray 110.

And, as shown in Figure 4, the wiping blade 120 may be installed inclined with respect to the reciprocating movement 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 approximately 60 degrees.

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

The rotation means 130, which serves to rotate the wiping blade 120, is installed in the waste ink tray 110.

The rotating means 130 is installed to be rotatable on both side walls of the supporting member 121 supporting the wiping blade 120 and the waste ink tray 110, and at both ends of the supporting member 121 It may include a rotation shaft 131 to be coupled, and a driving means for rotating the rotation shaft 131 at a predetermined angle.

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

Meanwhile, a plurality of printheads may be provided in the ink cartridge of the inkjet printer, and the wiping blade 120 may be provided as many as the number of printheads. In this case, a plurality of insertion grooves 122 are formed in the support member 121 at regular intervals in the width direction of the waste ink tray 110, that is, in the length direction of the support member 121, and the plurality of The plurality of wiping blades 120 are respectively inserted and installed in the insertion groove 122 of the.

The rotation shaft 131 is installed to be rotatably inserted into the rotation shaft insertion hole 128 formed through both side walls of the waste ink tray 110. In addition, a coupling groove 127 to which one end of the rotation shaft 131 is coupled may be formed at both ends of the support member 121, and the rotation shaft 131 has one end thereof in the coupling groove 127. In the inserted and coupled state, it may be firmly coupled to both ends of the support member 121 using screws (not shown).

The driving means includes a lever member 132 having one end coupled to the rotation 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 a pneumatic cylinder. The hydraulic cylinder 133 may be supported by being coupled to a bracket 137 fixedly installed on a side wall 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 driving means corresponds to a preferred example, and may have various configurations in addition to this. 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. If, as shown in Figure 1, when the plunger 134 of the hydraulic cylinder 133 pushes the other end of the lever member 132, the lever member 132 rotates counterclockwise, Accordingly, while the rotation shaft 131 is also rotated counterclockwise, the wiping blade 120 coupled to the support member 121 is vertically erected. 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, while the rotation shaft 131 is also rotated in a clockwise direction, the wiping blade 120 coupled to the support member 121 is laid approximately horizontally.

As described above, the wiping blade 120 is rotated in a vertically erected state and a lying state by the rotating means 130. When the wiping blade 120 is rotated in an erected state, wiping The upper end of the blade 120 protrudes above the cover plate 111. In this way, the wiping blade protrusion 114 is formed through the cover plate 111 so that the upper end of the wiping blade 120 may protrude upward from the cover plate 111. When the number of wiping blades 120 is plural, the wiping blade protrusions 114 are also formed in plural at intervals in the width direction of the cover plate 111.

Further, the support member 121 includes a cover member 150 covering the wiping blade 120 from the upper side of the wiping blade 120 when the wiping blade 120 is rotated in a lying state. Can be installed. The cover member 150 may be fixed by being fastened to the support member 121 using screws (not shown). The cover member 150 has a plurality of discharge holes for discharging the ink and foreign substances flowing down the wiping blade 120 to prevent them from accumulating 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 on the cover plate 111 when the wiping blade 120 is rotated in a lying state, and accordingly, the wiping blade protrusion ( 114) prevents external light or ultraviolet rays from reaching the wiping blade 120, and also prevents foreign substances such as dust from entering. Conversely, when the wiping blade 120 is rotated in an erect state, the cover member 150 rotates together with the support member 121 so that the wiping blade protrusion 114 formed on the cover plate 111 do not choose.

The cleaning means 140 is in contact with the wiping blade 120 when the wiping blade 120 rotates, thereby removing ink and foreign substances from the wiping blade 120. ) Is to cleanse.

Specifically, the cleaning means 140 is installed on the waste ink tray 110, but a portion is installed so as to overlap the rotation path of the wiping blade 120, and accordingly, the wiping blade 120 When the tip of the wiping blade 120 comes into contact with the cleaning means 140, it is 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 liquid, and because it has elasticity, the wiping blade 120 may be closely attached without damage. And, 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 Since it can be suppressed, there is an advantage that the life of the cleaning means 140 is prolonged. In addition, when the fabric 142 is contaminated or damaged, since only the fabric 142 needs to be replaced, maintenance cost is also reduced.

In addition, a plurality of cleaning liquid injection holes 113 for injecting a cleaning liquid into the cleaning means 140 may be formed through the cover plate 111. In this way, since the cleaning liquid injection hole 113 is formed in the cover plate 111, it is possible to smoothly inject the cleaning liquid into the cleaning means 140 even without separating the cleaning means 140 from the waste ink tray 110. There is this.

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

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

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

First, referring to FIG. 6, a cleaning operation is performed on the printhead 20 provided in the ink cartridge 10 while the wiping blade 120 is vertically erected by the rotation means 130. At this time, the upper end of the wiping blade 120 is in a state that protrudes upward from the cover plate 111 through the wiping blade protrusion 114 formed in the cover plate 111, and the cover member installed on the support member 121 ( 150) is in a rotated state so as not to block the wiping blade protrusion 114.

Before cleaning the printhead 20 using such a wiping blade 120, an operation of purging the ink inside the printhead 20 to prevent the ink remaining in the printhead 20 from coagulating is performed. It can be preceded. At this time, the purge ink inlet 115 formed in the cover plate 111 is located directly under the print head 20, and in this state, the ink purged from the print head 20 is passed 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 in the direction of arrow A by the reciprocating means 160, and in this process, the upper end of the wiping blade 120 Is in contact with the surface of the printhead 20 to remove ink and foreign matters on the surface of the printhead 20. In this way, the ink and foreign substances removed from the printhead 20 flow along the surface of the wiping blade 120 and are stored in the waste ink tray 110. In particular, ink and foreign matter flowing down between the support member 121 and the cover member 150 from the wiping blade 120 exit through the discharge hole 152 formed through the cover member 150 to pass through the waste ink tray. (110) Can 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.

Meanwhile, as described above, instead of the waste ink tray 110, the ink cartridge 10 and the print head 20 may reciprocate in the direction of arrow A, and in this process, the wiping blade 120 The surface of (20) can also be cleaned.

Next, referring to FIG. 7, after the cleaning operation for the print head 20 is completed, the wiping blade 120 is rotated in a state in which the wiping blade 120 is laid approximately horizontally by the rotation means 130. In this process, the upper end of the rotating wiping blade 120 is in contact with the cleaning means 140 through a through hole 144 formed in the support plate 143 supporting the cleaning means 140, while the wiping blade 120 Ink and foreign substances on the surface are cleaned. At this time, the wiping blade 120 is in a state that has completely entered the waste ink tray 110, and the cover member 150 covers the upper side of the wiping blade 120 while the wiping blade protrusion formed on the cover plate 110 (114) will be covered. Therefore, there is an advantage of preventing external light or ultraviolet rays from reaching the wiping blade 120 through the wiping blade protrusion 114 and also preventing foreign substances such as dust from entering.

In addition, even when the wiping blade 120 is rotated to an erected state by the rotation means 130 in a lying state, the upper end of the wiping blade 120 is in contact with the cleaning means 140, and the wiping blade 120 ), ink and foreign matter may be cleaned.

As described above, in the printhead cleaning apparatus 100 of an inkjet printer according to the present invention, not only can the printhead 20 clean the surface using the wiping blade 120, but also the wiping blade 120 You can cleanly clean the ink and foreign substances on ). Accordingly, there is an advantage of improving the cleaning efficiency of the printhead 20, and also has an advantage of preventing damage to the printhead 20 by solidified ink or foreign matter.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those of ordinary skill in the art will appreciate that various modifications and other equivalent embodiments are possible therefrom. Therefore, the true scope of protection of the present invention should be determined by the appended claims.

10... ink cartridges 20... printheads
100...Printhead cleaning unit 110...Waste ink tray
111...cover plate 113...cleaning liquid inlet
114...wiping blade protrusion 115...purge ink inlet
116...opening 117...cover plate
120... wiping blade 121... support member
122...insertion groove 124...clip
127...Mating groove 128...Rotating shaft insertion hole
130...Rotating means 131...Rotating shaft
132...Lever member 133...Hydraulic cylinder
134...plunger 135...link member
137...bracket 140...cleaning means
141...sponge 142...fabric
143...support plate 144...through hole
150...cover member 152...discharge hole
160...reciprocating means 161...belt coupling member
162,163... pulley 164... belt
165...Drive motor 170...Guide means
171...guide bar 172...bracket
173...Slide member 181...Waste ink outlet
182...Waste ink discharge hose 183...Pump
184...waste ink storage tank

Claims (17)

Waste ink tray;
A wiping blade installed on the waste ink tray to clean the print head of the inkjet printer;
A rotating means installed on the waste ink tray to rotate the wiping blade in an erect state and a flat state; And
A cleaning means installed on the waste ink tray to clean the wiping blade by contacting the wiping blade when the wiping blade rotates,
The rotation means includes a support member for supporting the wiping blade, a rotation shaft rotatably installed on both side walls of the waste ink tray and coupled to both ends of the support member, and a drive for rotating the rotation shaft at a predetermined angle. Including means,
The waste ink tray is provided with a cover plate covering the waste ink tray, and the cover plate has a wiping blade protrusion through which the upper end of the wiping blade protrudes above the cover plate,
The support 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 laid state, and the cover member rotates in a state in which the wiping blade is laid down. When the wiper blade protrusion formed on the cover plate is covered with the printhead cleaning apparatus of an inkjet printer. The method of claim 1,
The wiper blade is a printhead cleaning apparatus of an inkjet printer, characterized in that the installed inclined with respect to the moving direction of the waste ink tray or the printhead. The method of claim 1,
The printhead cleaning apparatus of an inkjet printer, wherein a cleaning liquid injection hole for injecting a cleaning liquid into the cleaning means is formed through the cover plate. 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 a waste ink storage tank. The method of claim 1,
And reciprocating means for reciprocating the waste ink tray in a predetermined direction. The method of claim 5,
The reciprocating means includes two pulleys installed at intervals along the reciprocating direction of the waste ink tray, a driving motor rotating one of the two pulleys, and circulating by being wound around the two pulleys. And a belt coupling member fixedly installed to the waste ink tray and coupled to the belt. The method of claim 5 or 6,
Further comprising a guide means for guiding the reciprocating movement of the waste ink tray,
The guide means comprises a guide bar extending horizontally in parallel with the reciprocating direction of the waste ink tray, and a slide member fixedly installed on the waste ink tray and coupled to the guide bar so as to be slidably moved. Printer's printhead cleaning device. delete The method of claim 1,
The support member has a rod shape extending in the width direction of the waste ink tray, the support member has 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 Printhead cleaning apparatus of an inkjet printer, characterized in that fixed to the support member in the state in which it has been turned. The method of claim 1,
The driving means comprises a lever member having one end coupled to the rotation shaft, and a hydraulic cylinder or a pneumatic cylinder coupled to the other end of the lever member to push and pull the other end of the lever member. Printhead cleaning device. delete The method of claim 1,
A printhead cleaning apparatus of an inkjet printer, wherein a discharge hole for discharging ink and foreign matter flowing down along the wiping blade is formed through the cover member. delete The method according to any one of claims 1 to 3,
The cleaning means includes a sponge that can elastically contact the wiping blade and contains a cleaning liquid, and a fabric that surrounds the outer surface of the sponge. The method of claim 14,
The cleaning means is installed on the waste ink tray, and a portion of the cleaning means is installed 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, a support plate supporting the cleaning means is installed on the waste ink tray, and the cleaning means is provided on the support plate so that the wiping blade can contact the cleaning means. A printhead cleaning apparatus of an inkjet printer, characterized in that through-holes exposing the means are formed. The method of claim 15,
A printhead cleaning of an inkjet printer, characterized in that an opening for installation and exchange of the cleaning means is formed at the front upper end of the waste ink tray, and a cover plate blocking the opening is detachably installed on the front surface of the waste ink tray. Device.

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