EP3192659B1 - Ink jet textile printing apparatus - Google Patents

Ink jet textile printing apparatus Download PDF

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Publication number
EP3192659B1
EP3192659B1 EP17151260.1A EP17151260A EP3192659B1 EP 3192659 B1 EP3192659 B1 EP 3192659B1 EP 17151260 A EP17151260 A EP 17151260A EP 3192659 B1 EP3192659 B1 EP 3192659B1
Authority
EP
European Patent Office
Prior art keywords
head
fabric
fan
ink jet
transporting
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
Application number
EP17151260.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3192659A2 (en
EP3192659A3 (en
Inventor
Junichi Goto
Yuya Haneda
Kazutoshi Fujishima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP3192659A2 publication Critical patent/EP3192659A2/en
Publication of EP3192659A3 publication Critical patent/EP3192659A3/en
Application granted granted Critical
Publication of EP3192659B1 publication Critical patent/EP3192659B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4078—Printing on textile
    • 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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
    • 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
    • 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
    • B41J25/3082—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms with print gap adjustment means on the print head carriage, e.g. for rotation around a guide bar or using a rotatable eccentric bearing
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/377—Cooling or ventilating arrangements
    • 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
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/048—Conveyor belts or like feeding devices

Definitions

  • the present invention relates to an ink jet textile printing apparatus.
  • a screen textile printing apparatus using a printing pattern has been used for performing textile-printing on fabric, such as cotton, silk, wool, chemical fibers, and a mixed fabric.
  • fabric such as cotton, silk, wool, chemical fibers, and a mixed fabric.
  • an ink jet textile printing apparatus performing ink jet type textile-printing has attracted attention in accordance with improvements in ink jet printer technology.
  • a printing pattern which is necessary for the screen textile printing apparatus is not necessary for the ink jet textile printing apparatus, and thus a digitized design can be used in the ink jet textile printing apparatus. Therefore, it is possible to quickly deal with, for example, a minute design change according to a requirement from a customer, and thus the production time can be significantly reduced.
  • the ink jet textile printing apparatus described above includes a transporting belt for transporting fabric as a recording medium, and a head for discharging ink onto the fabric transported by the transporting belt (for example, see JP-A-2009-173443 ).
  • ink mist is generated in an ink jet type recording apparatus.
  • ink mist adheres to a nozzle plate or a nozzle portion of the head, discharge failure, such as nozzle clogging or ink flight deviation, occurs.
  • image quality is deteriorated.
  • fabric is used in an ink jet textile printing apparatus, as a recording medium.
  • a surface of the fabric is fuzzy, and thus a distance (a printing gap) between a recording head and a recording medium is set to be larger, compared to a case using a general printing paper sheet as a recording medium, such that the recording head does not come into contact with the fabric.
  • the printing gap increases, an amount of the generated ink mist tends to increase.
  • an additional countermeasure against the ink mist is necessary for the ink jet textile printing apparatus.
  • JP 2009-292129 discloses a recording apparatus having an air blowing unit and a negative pressure suction mechanism provided on both sides with a platen therebetween along a width direction, under the condition where an air blowing port and a suction port are opposed to each other.
  • a controller controls a rotation speed of a fan motor in the air blowing unit in response to a medium width of a recording medium. That is, the controller drives the fan motor at a low rotation speed when the medium width of a recording medium is narrow, and drives the fan motor at a high rotation speed when the medium width of the recording medium is wide.
  • a recording unit is provided movably along a scanning direction, with a shielding plate for shielding the air flow to an ink flowing area.
  • US 2011/109693 discloses an inkjet printer that includes a media supporter, a head device, and an ink mist removal mechanism.
  • the media supporter is configured to support a printing medium.
  • the head device includes an inkjet head from which ink is configured to be discharged to print on the printing medium supported by the media supporter while the head device relatively moves with respect to the printing medium.
  • the ink mist removal mechanism is arranged in the head device and faces the printing medium.
  • the ink mist removal mechanism is configured to generate an air current that flows through a space between the head device and the printing medium.
  • the ink mist removal mechanism is configured to discharge the air current to outside thereby removing ink mist generated due to ink discharge from the inkjet heads.
  • an ink jet textile printing apparatus as defined in claim 1.
  • the number of revolutions per minute of the fan is changed in accordance with an operation position of the head, which is set by the head moving portion. Therefore, the ink mist can be removed in such a manner that the air flow having the predetermined flow velocity is generated, in the movement area of the head, by driving the fan of which the position corresponds to the position of the head. Meanwhile, the fans except for the fan of which the position corresponds to the position of the head can be switched to a non-driving state. As a result, electric power consumption can be reduced.
  • a fabric floating detection unit be disposed in a portion between the head moving portion and the fan to detect floating of the transported fabric with respect to the transporting belt.
  • the fabric floating detection unit since the fabric floating detection unit is disposed on the upstream side of the head in the transporting direction of the fabric, it is detected whether the floating of the fabric occurs, immediately before the ink is discharged onto the fabric. Accordingly, when, for example, the floating of the fabric is detected, the apparatus is stopped before application of the ink is performed on the fabric and floating of the fabric can be corrected. As a result, it is possible to prevent failure in advance.
  • the ink jet textile printing apparatus may further include a printing gap adjustment mechanism which adjusts a distance between a front surface of the transporting belt and a discharge surface of the head.
  • a distance between the transporting belt and the fan be adjusted, in conjunction with the printing gap adjustment mechanism.
  • the distance (the printing gap) between the front surface of the transporting belt and the nozzle surface is adjusted in accordance with the type, the thickness, or the shape of the fabric. In other words, a constant printing gap can be maintained, relative to any type of fabric. Accordingly, the fabric is prevented from coming into contact with the nozzles, and thus discharge failure, transport failure, or the like can be prevented. Furthermore, the distance between the transporting belt and the fan is adjusted in conjunction with a printing gap adjustment. As a result, the air flow having the predetermined flow velocity can be stably generated in the movement area of the head. In addition, the ink mist is removed, and thus it is possible to form a high-quality image.
  • the number of revolutions per minute of the fan also be changed in accordance with a distance between a front surface of the transporting belt and a discharge surface of the head.
  • the ink jet textile printing apparatus is an apparatus which performs textile-printing on a fabric in such a manner that an image is formed on the fabric by discharging ink onto the fabric as a recording medium.
  • the ink jet textile printing apparatus includes a head which discharges the ink in a liquid-droplet state through nozzles, a head moving portion which moves the head, a fabric transporting portion which includes a transporting belt for transporting the fabric, and a fan which generates an air flow.
  • the fan is disposed further on an upstream side in a fabric transporting direction than the head.
  • a flow velocity of the air flow generated by the fan in a movement area within which the head moves is set in a range of 0.3 m/s to 0.5 m/s.
  • the fabric used in the ink jet textile printing apparatus of this embodiment include cotton, silk, wool, chemical fibers, and mixed fabrics.
  • a configuration in which an image is formed on a rolled fabric M having a strap shape is exemplified.
  • an image may be formed on the fabric M having another shape (for example, a single sheet shape).
  • Fig. 1 is a side view illustrating a configuration of the ink jet textile printing apparatus and Fig. 2 is a partial plan view illustrating the configuration of the ink jet textile printing apparatus.
  • An ink jet textile printing apparatus 1 includes a fabric supply portion 10, a fabric transporting portion 20, a fabric recovery portion 30, a head unit 40, a fan unit 50, a fabric floating detection unit 60, a floating prevention portion 70, a cleaning unit 80, and the like, as illustrated in Fig. 1 .
  • a controller CONT is provided to control the members described above.
  • the fabric supply portion 10 supplies, to the head unit 40 side, the fabric M which has not yet been subjected to image forming.
  • the fabric supply portion 10 has a supply shaft portion 11 and bearing portions 12.
  • the supply shaft portion 11 is formed in a cylindrical shape or a column shape.
  • the supply shaft portion 11 can rotate in a circumferential direction.
  • the fabric M having a strap shape is wound around the supply shaft portion 11 in a rolled shape.
  • the supply shaft portion 11 is attachably/detachably mounted on the bearing portions 12. Therefore, the supply shaft portion 11 around which, for example, the fabric M is wound in advance can be installed in the bearing portions 12.
  • the bearing portions 12 rotatably support both ends of the supply shaft portion 11 in an axial direction.
  • the bearing portions 12 have a rotational driving portion (not illustrated) for rotationally driving the supply shaft portion 11.
  • the rotational driving portion rotates the supply shaft portion 11 in a direction in which the fabric M is fed.
  • An operation of the rotational driving portion is controlled by, for example, the controller CONT.
  • the fabric transporting portion 20 transports the fabric M from the fabric supply portion 10 to the fabric recovery portion 30.
  • the fabric transporting portion 20 includes a transport roller 21, a transport roller 22, a transporting belt 23, a belt rotating roller 24, a belt driving roller (a driving roller) 25, a transport roller 26, and a transport roller 28.
  • the transport rollers 21 and 22 relay the fabric M from the fabric supply portion 10 to the transporting belt 23.
  • the transporting belt 23 transports the fabric M.
  • the transporting belt 23 is formed in an endless shape and wound around the belt rotating roller 24 and the belt driving roller 25.
  • the transporting belt 23 is held in a state where predetermined tension is applied to the transporting belt 23 such that a portion between the belt rotating roller 24 and the belt driving roller 25 is set to be parallel to a floor surface F.
  • An adhesive layer 29 is provided on a front surface 23a (a support surface 23a) of the transporting belt 23, such that the fabric M adheres to the adhesive layer 29.
  • the fabric M is supported (held) on the support surface 23a on which the adhesive layer 29 is provided.
  • the belt rotating roller 24 and the belt driving roller 25 support an inner circumferential surface 23b of the transporting belt 23.
  • a support portion for supporting the transporting belt 23 may be provided in a portion between the belt rotating roller 24 and the belt driving roller 25.
  • the transporting belt 23 is moved in accordance with the rotation of the belt driving roller 25 and the movement of the transporting belt 23 causes the belt rotating roller 24 to rotate.
  • the fabric M supported on the transporting belt 23 is transported in a predetermined transporting direction, in accordance with the movement of the transporting belt 23.
  • a direction directed from the belt rotating roller 24 to the belt driving roller 25 is set to the transporting direction. Accordingly, when the arrangement position of the belt rotating roller 24 is compared to that of the belt driving roller 25, for example, the belt rotating roller 24 is arranged further on the upstream side in the transporting direction than the belt driving roller 25. That is, the belt driving roller 25 is arranged further on a downstream side in the transporting direction than the belt rotating roller 24.
  • the transport rollers 26 and 28 relay the fabric M from the transporting belt 23 to the fabric recovery portion 30.
  • a drying unit 90 is provided in a portion between the transport roller 26 and the transport roller 28.
  • the drying unit 90 dries an image formed on fabric.
  • the drying unit 90 includes, for example, a heater.
  • the drying unit 90 drives the heater to dry the image formed on the fabric.
  • the fabric recovery portion 30 recovers the fabric M transported by the fabric transporting portion 20.
  • the fabric recovery portion 30 has a winding shaft portion 31 and bearing portions 32.
  • the winding shaft portion 31 is formed in a cylindrical shape or a column shape.
  • the winding shaft portion 31 can rotate in a circumferential direction.
  • the fabric M having a strap shape is wound around the winding shaft portion 31 in a rolled shape.
  • the winding shaft portion 31 is attachably/detachably mounted on the bearing portions 32. Therefore, the fabric M can be removed with the winding shaft portion 31, in such a manner that the winding shaft portion 31 is removed from the bearing portions 32 in a state where the fabric M is wound around the winding shaft portion 31.
  • the bearing portions 32 rotatably support both ends of the winding shaft portion 31 in the axial direction.
  • the bearing portions 32 have a rotational driving portion (not illustrated) for rotationally driving the winding shaft portion 31.
  • the rotational driving portion rotates the winding shaft portion 31 in a direction in which the fabric M is wound.
  • An operation of the rotational driving portion is controlled by, for example, the controller CONT.
  • the floating prevention portion 70 presses the fabric M to the transporting belt 23.
  • the floating prevention portion 70 is disposed further on the upstream side in the transporting direction than the head unit 40.
  • the floating prevention portion 70 includes a pressing roller 71.
  • the pressing roller 71 is formed in a cylindrical shape or a column shape and can rotate about an axis.
  • the pressing roller 71 is arranged in a state where an axial direction of the pressing roller 71 intersects with the transporting direction.
  • the fabric M is pressed to the transporting belt 23 by pressing the pressing roller 71 against the transported fabric M. Therefore, the fabric M can reliably adhere to the adhesive layer 29 provided on the support surface 23a of the transporting belt 23, and thus it is possible to prevent the fabric M from floating on the transporting belt 23.
  • the cleaning unit 80 is disposed below the transporting belt 23 and performs a maintenance operation, such as cleaning of the transporting belt 23.
  • the cleaning unit 80 includes, for example, a cleaning container 81 in which cleaning solution is stored, and a removing portion 82 which removes foreign matter, such as ink, dust, and yarn waste, adhering to the transporting belt 23.
  • the removing portion 82 has a shaft portion and a removing member, such as a brush, which is provided around the shaft portion.
  • a motor is connected to the shaft portion and the shaft portion is rotationally driven by driving the motor.
  • the removing member is rotatably driven in accordance with the rotational driving of the shaft portion.
  • the shaft portion is disposed along a direction intersecting with the movement direction (the transporting direction of the fabric M) of the transporting belt 23.
  • the shaft portion extends in the direction intersecting with the movement direction of the transporting belt 23.
  • the head unit 40 has, for example, a head 41 of an ink jet type in which the ink in a liquid-droplet state is discharged onto the fabric M and a head moving portion 42 which moves the head 41.
  • the head unit 40 is disposed above the arrangement position of the transporting belt 23.
  • a nozzle plate is provided on the head 41 and a plurality of nozzles through which the ink is discharged are formed on the nozzle plate.
  • a nozzle plate surface is set to a discharge surface Ha through which the ink is discharged.
  • the discharge surface Ha is directed to the fabric M transported by the transporting belt 23.
  • the head moving portion 42 causes the head 41 to move in the direction (a Y axis direction (a width direction of the fabric M), in this embodiment) intersecting with the transporting direction of the fabric M.
  • the head moving portion 42 includes a carriage 43 on which the head 41 is mounted and a movement mechanism which moves the carriage 43 in the Y axis direction.
  • the carriage 43 is supported on a guide rail extending in the Y axis direction and is reciprocatable in the Y axis direction by the movement mechanism.
  • Examples of the movement mechanism include a mechanism in which a ball screw and a ball nut are used in combination, and a linear guide mechanism.
  • a motor is provided as a driving source for moving the carriage 43 in the Y axis direction.
  • Examples of the motor include various types of a motor, such as a stepper motor, a servo motor, and a linear motor. Power from the motor is transmitted to the carriage 43 through the movement mechanism described above. Therefore, the carriage 43 reciprocates along the guide rail, that is, in the Y axis direction, as illustrated in Fig. 2 . The carriage 43 reciprocatably moves, and thus the head 41 can reciprocatably move in the Y axis direction.
  • a motor such as a stepper motor, a servo motor, and a linear motor.
  • a cover 47 for covering the carriage 43 is provided in the head unit 40, as illustrated in Fig. 1 . Since the cover 47 is installed, foreign matter, such as dust, can be prevented from adhering to the head 41 and the carriage 43. In addition, it is possible to ensure the safety of a user.
  • a through-hole is formed in a part of the cover 47, which faces the carriage 43 from above, and an exhaust tube 48 is connected to the through-hole.
  • a suction mechanism is connected to the exhaust tube 48 to perform air-suction. The air in a portion of the carriage 43, which is covered by the cover 47, is exhausted to the outside through the exhaust tube 48.
  • an exhaust mechanism including the exhaust tube 48 is provided. However, this mechanism need not be provided.
  • a fan unit 50 is provided further on the upstream side in the transporting direction of the fabric M than the head 41.
  • the fan unit 50 includes a fan (an air blower) 51.
  • the fan 51 has a vane wheel 52 and generates an air flow in such a manner that the vane wheel 52 rotates.
  • the fan 51 is controlled such that the air flow of the flow velocity in a range of 0.3 m/s to 0.5 m/s flows from the upstream side to the downstream side in the transporting direction of the fabric M, in a movement area MA within which the head 41 moves. Therefore, when the ink is discharged through the head 41, the generated ink mist is removed from the vicinity of the head to the downstream side, by the air flow.
  • the ink mist removed to the downstream side is discharged to the outside through a flow path constituted by the cover 47 and the exhaust tube 48. As a result, the ink mist is prevented from adhering to the fabric M on which an image is formed by the head 41.
  • a plurality (five, for example) of fans 51 are provided and these fans 51 are aligned in the movement direction of the head 41, as illustrated in Fig. 2 .
  • the fans 51 are arranged in a state where an area in which the fans 51 are arranged is larger than the maximum range of the movement area MA within which the head 41 moves.
  • the head 41 and the fans 51 are arranged so as to be spaced apart from each other at a predetermined distance in the transporting direction of the fabric M. Accordingly, the airflow generated by the fans 51 can flow over the entirety of the movement area MA of the head, at a substantially constant flow velocity. Driving of each fan 51 is controlled. Thus, individual differences are reduced and the air flow can be effectively generated, relative to the movement of the head 41.
  • Fig. 3 is an evaluation result illustrating flow velocities of air flows in a head movement area and whether discharge failure occurs. Specifically, Fig. 3 shows whether discharge failure occurs and an image quality evaluation result, under a condition described below.
  • the ink is discharged while moving the head 41 in the movement area MA and the number of revolutions of the fan 51 is controlled.
  • the flow velocity of the airflow is changed (including an OFF state) in the movement area MA.
  • " ⁇ " indicates that discharge failure is not detected or no problem is detected in image quality and " ⁇ " indicates that discharge failure occurs or a problem is detected in image quality, that is, image-quality failure is detected.
  • a printing gap is in the worst condition in which the printing gap is large (2.7 mm).
  • a printing mode is set at 720X720 dpi and to a 4 pass mode.
  • a printing width is 1100 mm.
  • Driving voltages of the head are set to three different levels (a proper voltage, a proper voltage +2 V, and a proper voltage -2 V).
  • the weight of a discharged liquid droplet is 5.9 ng to 8.2 ng for each shot and the velocity of the discharged liquid droplet is 5.0 to 7.7 m/s.
  • the print speed is 27 m 2 /h and the print length 50 m.
  • a printing gap adjustment mechanism is provided in the head unit 40 of this embodiment.
  • the printing gap adjustment mechanism adjusts a distance (a printing gap) between the front surface 23a of the transporting belt 23 and the discharge surface Ha of the head 41.
  • the printing gap adjustment mechanism adjusts, for example, a vertical position of the head 41 in a Z axis direction, in accordance with the thickness of the fabric M.
  • An adjustment operation can be performed by, for example, a mechanism in which a ball screw and a ball nut are used in combination. Accordingly, even when the thickness of the fabric M is changed, a predetermined printing gap is maintained, and thus discharge properties can be ensured.
  • a distance between the transporting belt 23 and the fan 51 (the fan unit 50) is adjusted, in conjunction with the printing gap adjustment mechanism.
  • the adjustment operation can be performed by the mechanism in which a ball screw and a ball nut are used in combination.
  • the adjustment operation can also be performed by a mechanism in which the head unit 40 and the fan unit 50 are fixed to the same support body and the head unit 40 and the fan unit 50 move at the same time.
  • the air flow having a predetermined flow velocity can be generated in the movement area MA of the head 41.
  • the number of revolutions of the fan 51 is subjected to a variable control, in accordance with the position of the head 41. Specifically, only the fan 51 of which the position corresponds to the position of the head 41 in an X axis direction is driven and other fans 51 are not driven. Therefore, the ink mist can be removed in such a manner that the air flow having the predetermined flow velocity is generated in the movement area MA of the head 41. Meanwhile, the fans 51 of which the position corresponds to the position outside the position of the head 41 in the X axis direction are not driven. As a result, electric power consumption can be reduced.
  • the fabric floating detection unit 60 detects floating of the transported fabric M in the transporting belt 23, that is, floating of the transported fabric M with respect to the transporting belt 23.
  • the fabric floating detection unit 60 is disposed, in the transporting direction of the fabric M, in a portion between the head 41 and the fan 51 (the fan unit 50).
  • a light emitting portion 60a and a light receiving portion 60b are disposed, facing each other, in end portions (in the width direction of the fabric M) of the transporting belt 23 in a Y axis direction. A light beam emitted from the light emitting portion 60a is received by the light receiving portion 60b.
  • the air flow having the flow velocity in the range of 0.3 m/s to 0.5 m/s is generated by the driven fan 51.
  • the wind having the predetermined flow velocity blows to a space between the transported fabric M and the head 41.
  • the ink mist generated at the time of ink discharging is removed from the vicinity of the head 41. Accordingly, adhesion of the ink mist to the head 41 is reduced, and thus it is possible to form a high-quality image.
  • the printing gap is set to be relatively large, and thus the ink mist is likely to adhere to the head.
  • the air flow having the predetermined flow velocity is generated, the ink mist is reliably removed. As a result, it is possible to form a high-quality image.
  • the printing gap adjustment mechanism for adjusting the printing gap is provided, and thus the distance between the transporting belt 23 and the fan 51 (the fan unit 50) is adjusted, in conjunction with the printing gap adjustment mechanism.
  • the number of revolutions of the fan 51 may be subjected to a variable control, in accordance with the distance (the printing gap) between the front surface 23a of the transporting belt 23 and the discharge surface Ha.
  • the printing gap is set to be large by the printing gap adjustment mechanism, the movement area MA (a space) of the head 41 in this state becomes extended, and thus it can be conceived that the state of the air flow is changed in the movement area MA.
  • the flow velocity of the air flow can be controlled in the movement area MA of the head 41 so as to be within a predetermined range.
  • the number of revolutions of the fan 51 may be subjected to a variable control, in accordance with types of the fabric M. Even in this case, it can be conceived that the state of the air flow is changed in the movement area MA (the space), every time the fabric M is changed.
  • the flow velocity of the air flow is controlled in the movement area MA of the head 41, so as to be within the predetermined range. As a result, discharge properties can be ensured.
  • the number of revolutions of the fan 51 of the plurality of the fans 51, of which the position corresponds to the position of the head 41 is changed.
  • the fan 51 may be disposed in, for example, the carriage 43 on which the head 41 is mounted. In this case, when the head 41 moves, the fan 51 also moves. Therefore, the air flow can be reliably generated in the position of the head 41.
  • a control method of the fan unit 50 can be simplified.
  • the air flow in a +X axis direction is generated, in the movement area MA of the head 41, by driving the fan 51.
  • the configuration is not limited thereto. Air in the movement area MA of the head 41 may be, for example, sucked by driving the fan 51. Even in this case, the air flow is generated in the movement area MA, and thus the ink mist is removed. As a result, it is possible to improve discharge properties.
  • the distance between the transporting belt 23 and the fan 51 (the fan unit 50) is adjusted.
  • the configuration is not limited thereto.
  • an angle of the fan 51 (the fan unit 50) to the transporting belt 23 may be changed.
  • a flowing direction of the air flow flowing from the fan 51 or the flow velocity of the air flow in the movement area MA is also changed in accordance with an installation angle of the fan 51.
  • the air flow having the predetermined flow velocity can be generated in the movement area MA, in accordance with the printing gap or the shape of the fabric M.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Ink Jet (AREA)
  • Coloring (AREA)
EP17151260.1A 2013-10-01 2014-09-29 Ink jet textile printing apparatus Active EP3192659B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013206161A JP6206055B2 (ja) 2013-10-01 2013-10-01 インクジェット捺染装置
EP14186880.2A EP2857209B1 (en) 2013-10-01 2014-09-29 Ink jet textile printing apparatus

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Application Number Title Priority Date Filing Date
EP14186880.2A Division EP2857209B1 (en) 2013-10-01 2014-09-29 Ink jet textile printing apparatus
EP14186880.2A Division-Into EP2857209B1 (en) 2013-10-01 2014-09-29 Ink jet textile printing apparatus

Publications (3)

Publication Number Publication Date
EP3192659A2 EP3192659A2 (en) 2017-07-19
EP3192659A3 EP3192659A3 (en) 2017-11-08
EP3192659B1 true EP3192659B1 (en) 2020-10-14

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EP14186880.2A Active EP2857209B1 (en) 2013-10-01 2014-09-29 Ink jet textile printing apparatus

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JP6691757B2 (ja) * 2015-09-30 2020-05-13 理想科学工業株式会社 インクジェット印刷装置
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JP2017140762A (ja) * 2016-02-10 2017-08-17 セイコーエプソン株式会社 液体吐出装置
CN105500924B (zh) * 2016-02-14 2017-01-18 江南大学 一种三辊传动数字喷墨印花机
JP6900995B2 (ja) * 2016-03-08 2021-07-14 セイコーエプソン株式会社 液体噴射装置およびメンテナンス装置
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CN109311318B (zh) 2016-06-23 2020-08-25 精工爱普生株式会社 液滴喷出装置
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JP7006399B2 (ja) 2018-03-13 2022-01-24 セイコーエプソン株式会社 液体吐出装置及び調整パーツ
CN108909183A (zh) * 2018-06-28 2018-11-30 安徽盛美金属科技有限公司 一种平板数码印花装置
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EP3192659A3 (en) 2017-11-08
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JP2015067931A (ja) 2015-04-13
EP2857209B1 (en) 2017-03-08

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