EP3398783B1 - Dispositif de nettoyage de tête d'impression d'imprimante à jet d'encre - Google Patents
Dispositif de nettoyage de tête d'impression d'imprimante à jet d'encre Download PDFInfo
- Publication number
- EP3398783B1 EP3398783B1 EP16882151.0A EP16882151A EP3398783B1 EP 3398783 B1 EP3398783 B1 EP 3398783B1 EP 16882151 A EP16882151 A EP 16882151A EP 3398783 B1 EP3398783 B1 EP 3398783B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wiping blade
- waste ink
- printing head
- ink tray
- cleaning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims description 87
- 239000002699 waste material Substances 0.000 claims description 82
- 239000000463 material Substances 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims 4
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 239000000428 dust Substances 0.000 description 8
- 238000010926 purge Methods 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/1721—Collecting waste ink; Collectors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
- B41J2/16538—Cleaning of print head nozzles using wiping constructions with brushes or wiper blades perpendicular to the nozzle plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
- B41J2/16541—Means to remove deposits from wipers or scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
- B41J2/16544—Constructions for the positioning of wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
- B41J2/16544—Constructions for the positioning of wipers
- B41J2/16547—Constructions for the positioning of wipers the wipers and caps or spittoons being on the same movable support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16552—Cleaning of print head nozzles using cleaning fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/1714—Conditioning of the outside of ink supply systems, e.g. inkjet collector cleaning, ink mist removal
Definitions
- the present disclosure relates to an inkjet printer, and more particularly, to an device for cleaning a printing head of an inkjet printer.
- An inkjet printer is an apparatus for printing images of a predetermined color on the surface of a print medium by ejecting small droplets of print ink onto desired locations of the print medium.
- the inkjet printer includes a carrier moving back and forth in a predetermined direction, an ink cartridge mounted on the carrier and storing ink, and a printing head provided on the ink cartridge to eject ink.
- the printing head includes a plurality of nozzles for ejecting ink toward the surface of the print medium.
- ink ejected from the plurality of nozzles or foreign materials such as dust gather on the surface of the printing head.
- the ink coagulates and blocks the nozzles or the foreign materials block the nozzles such that ink is not ejected or ejected in a wrong direction, resulting in poor print quality.
- wiping blades move back and forth periodically during a printing operation or after a printing operation to clean the surface of the printing head, thereby removing ink or foreign materials around the nozzles.
- ink is gathered on the wiping blades as they clean the printing head, and the ink gathered on the wiping blades coagulates to thereby damage the surface of the printing head or prevent a process of cleaning the surface of the printing head from being smoothly performed. Furthermore, foreign materials such as dust gather on the wiping blades, and the foreign materials damage or contaminate the print head.
- a printing head cleaning device for an inkjet printer having a structure capable of cleanly wiping off ink or foreign materials that have gathered on a wiping blade to prevent a printing head of the inkjet printer from being damaged and to more effectively clean the printing head.
- the printing head cleaning device for the inkjet printer according to the present disclosure may cleanly wipe off ink and foreign materials gathered on the wiping blade, thereby raising the efficiency of cleaning the printing head, while preventing the printing head from being damaged by coagulated ink or foreign materials.
- the wiping blade since the wiping blade is inclined with respect to the moving direction, ink that has gathered on the wiping blade may flow down quickly and smoothly when the printing head is cleaned, such that the wiping blade may be cleaned quickly and thoroughly.
- the wiping blade when the wiping blade is not used, the wiping blade may be rotated to be lain down on the inside of the waste ink tray, and the cover member will, in that case, cover the upper side of the wiping blade. Therefore, it is possible to prevent ink gathered on the wiping blade from coagulating due to outside light or ultraviolet light and to prevent foreign materials such as dust from being gathered on the wiping blade.
- FIG.1 is a perspective view of a printing head cleaning device for an inkjet printer according to the present disclosure
- FIG.2 is an exploded perspective view of the printing head cleaning device shown in FIG.1
- FIG.3 is a perspective view of a reciprocating device for reciprocatingly moving a waste ink tray of the printing head cleaning device shown in FIG.1
- FIG.4 is a top view of a wiping blade shown in FIG.1
- FIG.5 is a cross-sectional view of a cleaning device shown in FIG.2 .
- a wiping blade is shown to stand, and in FIG.2 , the wiping blade is shown to lie.
- a printing head cleaning device 100 for an inkjet printer may be used to clean a printing head 20 disposed on a bottom of an ink cartridge 10 of an inkjet printer.
- the printing head cleaning device 100 may cleanly wipe off ink and foreign materials gathered on a wiping blade 120, as well as removing ink and foreign materials such as dust gathered on the surface of the printing head 20 using the wiping blade 120.
- the printing head cleaning device 100 includes a waste ink tray 110, the wiping blade 120 for cleaning the printing head 20, a rotation means 130 for rotating the wiping blade 120, and a cleaning means 140 for cleaning the wiping blade 120.
- the waste ink tray 110 may be used to store ink and foreign materials (hereinafter, referred to as waste ink) removed from the printing head 20 by the wiping blade 120, and the waste ink tray 110 may be formed in the shape of a rectangular box.
- a waste ink outlet 181 may be formed to discharge waste ink stored in the waste ink tray 110 to the outside, which will be described later.
- a cover plate 111 for covering the waste ink tray 110 is provided.
- the cover plate 111 may be mounted on the waste ink tray 110 using a plurality of screws 112.
- ink remaining in the inside of the printing head 20 may be generally purged in order to prevent the ink from being coagulated.
- a purged ink inlet 115 may be formed in the cover plate 111 in such a way to penetrate the cover plate 111, in order to cause the ink purged from the printing head 20 to enter the inside of the waste ink tray 110.
- a cleaning solution injecting opening 113 and a wiping blade protruding opening 114 may be further formed in such a way to penetrate the cover plate 111, which will be described in detail later.
- the waste ink tray 110 may be movable back and forth in a predetermined direction (a direction of an arrow A).
- a reciprocating means 160 for moving the waste ink tray 110 back and forth in the direction of the arrow A may be provided.
- the reciprocating means 160 may include two pulleys 162 and 163 installed at a predetermined interval along a reciprocating moving direction of the waste ink tray 110, a driving motor 165 for rotating any one of the two pulleys 162 and 163, a belt 164 wound around the two pulleys 162 and 163 to circulate, and a belt coupling member 161 fixed at the waste ink tray 110 and coupled to the belt 164.
- the belt coupling member 161 may be fixed on an outer surface of the waste ink tray 110, and the two pulleys 162 and 163 and the driving motor 165 may be installed on a frame (not shown) of the inkjet printer.
- the belt coupling member 161 coupled to the belt 164 may move back and forth in the direction of the arrow A, and the waste ink tray 110 at which the belt coupling member 161 is fixed may also move back and forth in the direction of the arrow A.
- the wiping blade 120 (which will be described later) installed in the waste ink tray 110 may also move back and forth in the same direction, that is, in the direction of the arrow A to remove ink and foreign materials gathered on the printing head 20, thereby cleaning the printing head 20.
- the operation will be described in more detail, later.
- a guide means 170 may be further provided to guide the waste ink tray 110 to move back and forth.
- the guide means 170 may include a guide bar 171 extending horizontally in parallel to the direction in which the waste ink tray 110 moves back and forth, and a slide member 173 fixed at the waste ink tray 110 and coupled to the guide bar 171 in such a way to slide on the guide bar 171. Both ends of the guide bar 171 may be fixed at the frame (not shown) of the inkjet printer using a bracket 172, and two slide members 173 may be disposed at a predetermined interval in the direction in which the waste ink tray 110 moves back and forth.
- the slide member 173 may slide along the guide bar 171, and accordingly, the waste ink tray 110 may also move back and forth along the guide bar 171 together with the slide member 173 stably without wobbling.
- the above-described configurations of the reciprocating means 160 and the guide means 170 are preferred examples, and the reciprocating means 160 and the guide means 170 may have other configurations.
- the waste ink tray 110 and the wiping blade 120 may move back and forth in the direction of the arrow A, however, it may also be possible that the ink cartridge 10 and the printing head 20 move back and forth in the direction of the arrow A.
- the reciprocating means 160 and the guide means 170 may be not provided in the printing head cleaning device 100 according to the present disclosure.
- 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 may contact the surface of the printing head 20 to remove ink and foreign materials such as dust gathered on the surface of the printing head 20, thereby cleaning the printing head 20.
- the wiping blade 120 may be made of a synthetic resin having elasticity.
- the wiping blade 120 may be rotatably installed in the waste ink tray 110.
- the wiping blade 120 may be inclined with respect to the direction (that is, the direction of the arrow A) in which the waste ink tray 110 or the printing head 20 moves back and forth.
- An angle ⁇ of inclination of the wiping blade 120 may be about 60 degrees.
- the rotation means 130 functions to rotate the wiping blade 120, and is installed in the waste ink tray 110.
- the rotation means 130 includes a support member 121 for supporting the wiping blade 120, rotating shafts 131 rotatably disposed on both side walls of the waste ink tray 110 and coupled to both ends of the support member 121, and a driving means for rotating the rotating shaft 131 to a predetermined angle.
- the support member 121 may be in the shape of a bar extending in a width direction of the waste ink tray 110, and in the support member 121, an insertion groove 122 may be formed into which a lower end of the wiping blade 120 is inserted.
- the wiping blade 120 may be firmly fixed at the support member 121 using a clip 124 and a coupling screw 125 in the state in which the lower end of the wiping blade 120 is inserted in the insertion groove 122.
- a plurality of printing heads may be provided, and a plurality of wiping blades 120 may also be provided to correspond to the number of the printing heads.
- a plurality of insertion grooves 122 may be formed at regular intervals in the support member 121 in the width direction of the waste ink tray 110, that is, in a longitudinal direction of the support member 121, and the plurality of wiping blades 120 may be respectively inserted in the plurality of insertion grooves 122.
- the rotating shaft 131 may be rotatably inserted in a rotating shaft inserting hole 128 formed in both side walls of the waste ink tray 110 in such a way as to penetrate the side walls of the waste ink tray 110.
- a coupling groove 127 to which one end of the rotating shaft 131 is coupled may be formed.
- the rotating shaft 131 may be firmly coupled to both ends of the support member 121 using a screw (not shown) in the state in which one end of the rotating shaft 131 is inserted in and coupled to the coupling groove 127.
- the driving means may include a lever member 132 whose one end is coupled to the rotating shaft 131, and a hydraulic cylinder 133 or a pneumatic cylinder coupled to the other end of the lever member 132 to push and pull the other end of the lever member 132.
- the hydraulic cylinder 133 may be coupled to a bracket 137 fixed on the side wall of the waste ink tray 110, and thus be supported on the bracket 137.
- a link member 135 may be coupled to one end of a plunger 134 of the hydraulic cylinder 133, and the link member 135 may be coupled to the other end of the lever member 132 through a link pin 136.
- the driving means may have other configurations.
- the driving means may be a driving motor coupled to the rotating shaft 131 to rotate the rotating shaft 131.
- the plunger 134 may push or pull the other end of the lever member 132.
- the lever member 132 may rotate in a counterclockwise direction, and accordingly, the rotating shaft 131 may also rotate in the counterclockwise direction so that the wiping blade 120 coupled to the support member 121 may stand vertically.
- the lever member 132 when the plunger 134 of the hydraulic cylinder 133 pulls the other end of the lever member 132, the lever member 132 may rotate in a clockwise direction, and accordingly, the rotating shaft 131 may also rotate in the clockwise direction so that the wiping blade 120 coupled to the support member 121 may lie nearly horizontally.
- the wiping blade 120 may be rotated by the rotation means 130 to be stood up vertically or to be lain down. According to the invention, when the wiping blade 120 is rotated to be stood up, the upper end of the wiping blade 120 protrudes above the cover plate 111. In order for the upper end of the wiping blade 120 to protrude above the cover plate 111, a wiping blade protruding opening 114 is formed in the cover plate 111 in such a way to penetrate the cover plate 111. When a plurality of wiping blades 120 are provided, a plurality of wiping blade protruding openings 114 may be formed at predetermined intervals in a width direction of the cover plate 111.
- a cover member 150 for covering the wiping blade 120 from above the wiping blade 120 when the wiping blade 120 is rotated to be lain down is installed in the support member 121, according to the invention.
- the cover member 150 may be coupled to the support member 121 using a screw (not shown) to thus be fixed at the support member 121.
- a plurality of discharge holes 152 for discharging ink and foreign materials flowing down along the wiping blade 120 to prevent the ink and foreign materials from being collected between the support member 121 and the cover member 150 may be formed in the cover member 150 in such a way to penetrate the cover member 150.
- the cover member 150 When the wiping blade 120 is rotated to be lain down, the cover member 150 covers the wiping blade protruding opening 114 formed in the cover plate 111 to thereby prevent outside light or ultraviolet light from reaching the wiping blade 120 through the wiping blade protruding opening 114 and to prevent foreign materials such as dust from reaching the wiping blade 120. In contrast, when the wiping blade 120 is rotated to be stood up, the cover member 150 rotates together with the support member 121 to open the wiping blade protruding opening 114 formed in the cover plate 111.
- the cleaning means 140 contacts the wiping blade 120 when the wiping blade 120 is rotated to remove ink and foreign material that has gathered on the wiping blade 120, thereby cleaning the wiping blade 120.
- the cleaning means 140 may be installed in the waste ink tray 110 such that a portion of the cleaning means 140 overlaps a rotation path of the wiping blade 120. Accordingly, when the wiping blade 120 rotates, the upper end of the wiping blade 120 contacts the cleaning means 140 to be cleaned. The operation will be described in more 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, the sponge 141 may contain a large amount of a cleaning solution, and since the sponge 141 has elasticity, the wiping blade 120 may contact the sponge 141 closely without being damaged. Also, the fabric 142 surrounding the outer surface of the sponge 141 may have high durability compared to the sponge 141 to prevent the sponge 141 from being damaged by a direct contact to the wiping blade 120, thereby elongating the life of the cleaning means 140. Also, when the fabric 142 is stained or damaged, the fabric 142 may be easily replaced with new one, resulting in a reduction of maintenance cost.
- a plurality of cleaning solution injecting openings 113 for injecting a cleaning solution into the cleaning means 140 may be formed in the cover plate 111 in such a way to penetrate the cover plate 111. Since the cleaning solution injecting openings 113 are formed in the cover plate 111, it may be possible to easily inject a cleaning solution into the cleaning means 140 without separating the cleaning means 140 from the waste ink tray 110.
- the cleaning means 140 may be installed in an upper front portion of the waste ink tray 110.
- a support plate 143 for supporting the cleaning means 140 may be installed in the waste ink tray 110.
- a through hole 144 for exposing the cleaning means 140 may be formed such that the wiping blade 120 may contact the cleaning means 140.
- an opening 116 for installing the cleaning means 140 and replacing it with a new one may be formed in the upper front portion of the waste ink tray 110.
- a cover plate 117 for covering the opening 116 may be detachably installed in the front portion of the waste ink tray 110 using a bolt 118 and a nut 119.
- FIG.6 shows the wiping blade standing by being rotated by the rotation means shown in FIG.1
- FIG.7 shows the wiping blade lying by being rotated by the rotation means shown in FIG.1 .
- the wiping blade 120 when the wiping blade 120 is rotated by the rotation means 130 to be stood up vertically, an operation of cleaning the printing head 20 disposed on the ink cartridge 10 may be performed.
- the upper end of the wiping blade 120 protrudes above the cover plate 111 through the wiping blade protruding opening 114 formed in the cover plate 111, and the cover member 150 installed in the support member 121 rotates to open the wiping blade protruding opening 114.
- an operation of purging ink remaining in the inside of the printing head 20 may be first performed.
- the purged ink inlet 115 formed in the cover plate 111 may be located immediately below the printing head 20, and in this state, ink purged from the printing head 20 may enter the inside of the waste ink tray 110 through the purged ink inlet 115 to be stored in the inside of the waste ink tray 110.
- the waste ink tray 110 and the wiping blade 120 may move rearward in the direction of the arrow A by the reciprocating means 160, and at this time, the upper end of the wiping blade 120 may contact the surface of the printing head 20 to remove ink and foreign material gathered on the surface of the printing head 20.
- the ink and foreign materials removed from the printing head 20 may flow down along the surface of the wiping blade 120 to be stored in the inside of the waste ink tray 110.
- the ink and foreign materials flowing down between the support member 121 and the cover member 150 from the wiping blade 120 may pass through the discharge holes 152 penetrating the cover member 150 to be stored in the inside of the waste ink tray 110.
- the waste ink stored in the inside of the waste ink tray 110 may be discharged to the outside through the waste ink outlet 181 formed in the bottom of the waste ink tray 110.
- the waste ink outlet 181 may be connected to a pump 183 for discharging waste ink through a waste ink discharge hose 182, and waste ink discharged by the pump 183 may be stored in a waste ink storage tank 184.
- the ink cartridge 10 and the printing head 20 may move back and forth in the direction of the arrow A, and at this time, the wiping blade 120 may clean the surface of the printing head 20.
- the wiping blade 120 may be rotated by the rotation means 130 to be lain down nearly horizontally, as shown in FIG.7 .
- the upper end of the rotating wiping blade 120 may contact the cleaning means 140 through the through hole 144 formed in the support plate 143 supporting the cleaning means 140 so that ink and foreign materials gathered on the wiping blade 120 may be removed.
- the wiping blade 120 may fully enter the inside of the waste ink tray 110, and the cover member 150 covers the upper end of the wiping blade 120 to close the wiping blade protruding opening 114 formed in the cover plate 111. Accordingly, the cover member 150 prevents outside light or ultraviolet light from reaching the wiping blade 120 through the wiping blade protruding opening 114, while preventing foreign materials such as dust from reaching the wiping blade 120 through the wiping blade protruding opening 114.
- the upper end of the wiping blade 120 may contact the cleaning means 140 so that ink and foreign materials gathered on the wiping blade 120 may be removed.
- the printing head cleaning device 100 for the inkjet printer may cleanly wipe off ink and foreign materials gathered on the wiping blade 120, as well as cleaning the surface of the printing head 20 using the wiping blade 120. Accordingly, the printing head cleaning device 100 raises the efficiency of cleaning the printing head 20, while preventing the printing head 20 from being damaged by coagulated ink or foreign materials.
Landscapes
- Ink Jet (AREA)
Claims (12)
- Dispositif de nettoyage (100) de tête d'impression (20) pour une imprimante à jet d'encre, comprenant :un bac d'encre usagée (110) ;une lame d'essuyage (120) installée dans le bac d'encre usagée (110) et configurée pour nettoyer une tête d'impression (20) de l'imprimante à jet d'encre ;un moyen de rotation (130) installé dans le bac d'encre usagée (110) et configuré pour faire tourner la lame d'essuyage (120) de sorte que la lame d'essuyage (120) est levée ou est posée ; etun moyen de nettoyage (140) installé dans le bac d'encre usagée (110) et configuré pour nettoyer la lame d'essuyage (120) en étant en contact avec la lame d'essuyage (120), lorsque la lame d'essuyage (120) tourne,dans lequel le moyen de rotation (130) comprend un élément de support (121) configuré pour supporter la lame d'essuyage (120), un arbre rotatif (131) prévu, en rotation, sur les deux parois latérales du bac d'encre usagée (110) et couplé aux deux extrémités de l'élément de support (121), et un moyen d'entraînement configuré pour faire tourner l'arbre rotatif (131) à un angle prédéterminé,dans lequel une plaque formant couvercle (111) pour recouvrir le bac d'encre usagée (110) est installée dans le bac d'encre usagée (110) et une ouverture de saillie de lame d'essuyage (114) est prévue dans la plaque formant couvercle (111) afin de pénétrer dans la plaque formant couvercle (111), et l'ouverture de saillie de lame d'essuyage (114) est prévue pour permettre à une extrémité supérieure de la lame d'essuyage (120) de faire saillie au-dessus de la plaque formant couvercle (111),caractérisé en ce que :un élément de couvercle (150) est installé dans l'élément de support (121) de sorte que l'élément de couvercle (150) tourne conjointement avec l'élément de support (121) et la lame d'essuyage (120), lorsque la lame d'essuyage (120) tourne pour être posée, l'élément de couvercle (150) est entraîné en rotation vers le haut et recouvre l'ouverture de saillie de lame d'essuyage (114), et lorsque la lame d'essuyage (120) tourne pour être levée, l'élément de couvercle (150) tourne vers le bas afin de ne pas recouvrir l'ouverture de saillie de lame d'essuyage (114),dans lequel un trou de décharge (152) pour décharger l'encre et les corps étrangers s'écoulant le long de la lame d'essuyage (120) est prévu dans l'élément de couvercle (150) afin de pénétrer dans l'élément de couvercle (150).
- Dispositif de nettoyage de tête d'impression selon la revendication 1, dans lequel la lame d'essuyage (120) est inclinée par rapport à une direction de mouvement du bac d'encre usagée (110) ou de la tête d'impression (20).
- Dispositif de nettoyage de tête d'impression selon la revendication 1, dans lequel une ouverture d'injection de solution de nettoyage est prévue dans la plaque formant couvercle (111) afin de pénétrer dans la plaque formant couvercle (111), dans lequel l'ouverture d'injection de solution de nettoyage est prévue pour l'injection d'une solution de nettoyage dans le moyen de nettoyage (140).
- Dispositif de nettoyage de tête d'impression selon la revendication 1, comprenant en outre un moyen réciproque (160) configuré pour faire effectuer un mouvement de va-et-vient au bac d'encre usagée (110) dans une direction prédéterminée.
- Dispositif de nettoyage de tête d'impression selon la revendication 4, dans lequel le moyen réciproque (160) comprend deux poulies (162, 163) installées à un intervalle prédéterminé le long d'une direction de déplacement réciproque du bac d'encre usagée (110), un moteur d'entraînement (165) configuré pour faire tourner l'une quelconque des deux poulies (162, 163), une courroie (164) enroulée autour des deux poulies (162, 163) et configurée pour circuler, et un élément de couplage de courroie (164) fixé sur le bac d'encre usagée (110) et couplé à la courroie (164).
- Dispositif de nettoyage de tête d'impression selon la revendication 4 ou 5, comprenant en outre un moyen de guidage configuré pour guider le bac d'encre usagée (110) afin de se déplacer en faisant des va-et-vient,
dans lequel le moyen de guidage comprend une barre de guidage (171) et un élément de coulissement (173), la barre de guidage (171) s'étendant horizontalement en parallèle à la direction dans laquelle le bac d'encre usagée (110) se déplace en faisant des va-et-vient et l'élément de coulissement (173) étant fixé au bac d'encre usagée (110) et couplé à la barre de guidage (171) afin de pouvoir coulisser sur la barre de guidage (171). - Dispositif de nettoyage de tête d'impression selon l'une quelconque des revendications 1 à 3, dans lequel l'élément de support (121) a la forme d'une barre s'étendant dans une direction de largeur du bac d'encre usagée (110), une rainure d'insertion (122) dans laquelle une extrémité inférieure de la lame d'essuyage (120) est insérée, est prévue dans l'élément de support (121), et l'extrémité inférieure de la lame d'essuyage (120) est fixée sur l'élément de support (121) dans un état dans lequel l'extrémité inférieure de la lame d'essuyage (120) est insérée dans la rainure d'insertion (122).
- Dispositif de nettoyage de tête d'impression selon la revendication 1, dans lequel le moyen d'entraînement comprend un élément de levier (132) ayant une extrémité couplée à l'arbre rotatif (131), et un cylindre hydraulique (133) ou un cylindre pneumatique couplé à une autre extrémité de l'élément de levier (132) et configuré pour pousser et tirer l'autre extrémité de l'élément de levier (132).
- Dispositif de nettoyage de tête d'impression selon l'une quelconque des revendications 1 à 3, dans lequel le moyen de nettoyage (140) comprend une éponge et un tissu, dans lequel l'éponge peut être mise élastiquement en contact par la lame d'essuyage (120) et contient une solution de nettoyage, et le tissu entoure une surface externe de l'éponge.
- Dispositif de nettoyage de tête d'impression selon la revendication 9, dans lequel le moyen de nettoyage (140) est installé dans le bac d'encre usagée (110) de sorte qu'une partie du moyen de nettoyage (140) recouvre une trajectoire de rotation de la lame d'essuyage (120).
- Dispositif de nettoyage de tête d'impression selon la revendication 10, dans lequel le moyen de nettoyage (140) est installé dans une partie avant supérieure du bac d'encre usagée (110), une plaque de support (143) configurée pour supporter le moyen de nettoyage (140) est installée dans le bac d'encre usagée (110), et un trou débouchant (144) pour exposer le moyen de nettoyage (140) est formé dans la plaque de support (143) de sorte que la lame d'essuyage (120) peut être en contact avec le moyen de nettoyage (140).
- Dispositif de nettoyage de tête d'impression selon la revendication 10, dans lequel une ouverture pour installer le moyen de nettoyage (140) et remplacer le moyen de nettoyage (140) par un nouveau moyen de nettoyage (140) est formée dans une partie avant supérieure du bac d'encre usagée (110), et une plaque forme couvercle (111) pour recouvrir l'ouverture est installée, de manière détachable, dans une partie avant du bac d'encre usagée (110).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020150190787A KR102202028B1 (ko) | 2015-12-31 | 2015-12-31 | 잉크젯 프린터의 인쇄헤드 클리닝 장치 |
PCT/KR2016/015549 WO2017116199A1 (fr) | 2015-12-31 | 2016-12-30 | Dispositif de nettoyage de tête d'impression d'imprimante à jet d'encre |
Publications (3)
Publication Number | Publication Date |
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EP3398783A1 EP3398783A1 (fr) | 2018-11-07 |
EP3398783A4 EP3398783A4 (fr) | 2019-11-20 |
EP3398783B1 true EP3398783B1 (fr) | 2023-03-01 |
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EP16882151.0A Active EP3398783B1 (fr) | 2015-12-31 | 2016-12-30 | Dispositif de nettoyage de tête d'impression d'imprimante à jet d'encre |
Country Status (4)
Country | Link |
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EP (1) | EP3398783B1 (fr) |
KR (1) | KR102202028B1 (fr) |
CN (1) | CN107206795B (fr) |
WO (1) | WO2017116199A1 (fr) |
Families Citing this family (9)
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KR102061933B1 (ko) | 2017-06-23 | 2020-01-02 | 연세대학교 산학협력단 | 세스퀴테르펜 유도체를 유효성분으로 함유하는 근력강화, 근육증강, 근육분화, 근육재생 또는 근감소증 억제효과를 갖는 조성물 |
CN107933092A (zh) * | 2017-12-04 | 2018-04-20 | 新会江裕信息产业有限公司 | 一种喷墨打印机的服务站 |
CN109016846A (zh) * | 2017-12-22 | 2018-12-18 | 合肥欣奕华智能机器有限公司 | 喷头维护装置、打印设备及喷头维护方法 |
KR102631453B1 (ko) * | 2018-10-02 | 2024-01-31 | 삼성디스플레이 주식회사 | 잉크젯 프린팅 장치 |
JP7255199B2 (ja) | 2019-01-24 | 2023-04-11 | ブラザー工業株式会社 | 液体吐出装置 |
CN112757795B (zh) * | 2019-11-06 | 2022-08-02 | 东友科技股份有限公司 | 打印机清洁装置 |
EP4143009A1 (fr) * | 2020-04-27 | 2023-03-08 | Stratasys Ltd. | Poste de maintenance pour système d'impression en trois dimensions |
CN112123763A (zh) * | 2020-09-30 | 2020-12-25 | 共享智能铸造产业创新中心有限公司 | 打印头保护装置、打印头清洗方法以及3d打印机 |
CN115091855B (zh) * | 2022-07-14 | 2023-04-11 | 广州诺彩数码产品有限公司 | 一种uv平板打印机喷头清洗装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1440803B1 (fr) * | 2003-01-23 | 2007-11-14 | Agfa Graphics N.V. | Ensemble de balais pour imprimante à jet d'encre |
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JPH058401A (ja) * | 1991-07-05 | 1993-01-19 | Seiko Epson Corp | インクジエツト記録装置 |
JP3157978B2 (ja) * | 1994-03-09 | 2001-04-23 | キヤノン株式会社 | 液体噴射装置 |
JPH09220813A (ja) * | 1996-02-16 | 1997-08-26 | Copyer Co Ltd | 画像形成装置 |
GB2360016B (en) * | 1996-11-13 | 2001-11-07 | Hewlett Packard Co | Wet-wiping printhead cleaning system |
US6609780B2 (en) * | 2001-07-06 | 2003-08-26 | Brother Kogyo Kabushiki Kaisha | Ink jet printer having a mechanism for driving wiper and purge pump |
JP2004243663A (ja) * | 2003-02-14 | 2004-09-02 | Sii Printek Inc | 拭き取り装置とその操作方法 |
JP2008290313A (ja) * | 2007-05-23 | 2008-12-04 | Seiko Epson Corp | 流体吐出装置 |
KR20110025504A (ko) * | 2009-09-04 | 2011-03-10 | 삼성전자주식회사 | 화상형성장치 |
JP5785701B2 (ja) * | 2010-08-10 | 2015-09-30 | 株式会社ミヤコシ | ラインヘッドのワイピング方法 |
DE102010060159B4 (de) * | 2010-10-26 | 2018-05-30 | Océ Printing Systems GmbH & Co. KG | Tintendruckgerät |
JP5664407B2 (ja) * | 2011-03-29 | 2015-02-04 | セイコーエプソン株式会社 | メンテナンス装置および液体噴射装置 |
JP6058457B2 (ja) * | 2013-04-16 | 2017-01-11 | ローランドディー.ジー.株式会社 | 洗浄液供給機構 |
CN203344496U (zh) * | 2013-07-08 | 2013-12-18 | 深圳弘美数码纺织技术有限公司 | 一种喷头刮片组件的保湿装置 |
-
2015
- 2015-12-31 KR KR1020150190787A patent/KR102202028B1/ko active IP Right Grant
-
2016
- 2016-12-30 WO PCT/KR2016/015549 patent/WO2017116199A1/fr active Application Filing
- 2016-12-30 EP EP16882151.0A patent/EP3398783B1/fr active Active
- 2016-12-30 CN CN201680007803.7A patent/CN107206795B/zh active Active
Patent Citations (1)
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EP1440803B1 (fr) * | 2003-01-23 | 2007-11-14 | Agfa Graphics N.V. | Ensemble de balais pour imprimante à jet d'encre |
Also Published As
Publication number | Publication date |
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EP3398783A4 (fr) | 2019-11-20 |
CN107206795B (zh) | 2019-05-31 |
CN107206795A (zh) | 2017-09-26 |
KR102202028B1 (ko) | 2021-01-12 |
WO2017116199A1 (fr) | 2017-07-06 |
EP3398783A1 (fr) | 2018-11-07 |
KR20170079813A (ko) | 2017-07-10 |
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