EP2923849A1 - Recording apparatus and method for cleaning transport belt - Google Patents
Recording apparatus and method for cleaning transport belt Download PDFInfo
- Publication number
- EP2923849A1 EP2923849A1 EP15159609.5A EP15159609A EP2923849A1 EP 2923849 A1 EP2923849 A1 EP 2923849A1 EP 15159609 A EP15159609 A EP 15159609A EP 2923849 A1 EP2923849 A1 EP 2923849A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transport belt
- spiral brush
- section
- recording apparatus
- stop time
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims description 30
- 230000032258 transport Effects 0.000 claims abstract description 167
- 239000006260 foam Substances 0.000 claims description 58
- 238000011084 recovery Methods 0.000 claims description 17
- 230000007547 defect Effects 0.000 abstract description 10
- 238000005187 foaming Methods 0.000 description 10
- 238000004804 winding Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Images
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
- 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
-
- 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
- B41J29/17—Cleaning 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
Definitions
- the present invention relates to a recording apparatus and a method for cleaning a transport belt.
- recording apparatuses in which a recording medium is transported by a transport belt is used.
- a recording apparatus including a cleaning section for cleaning the transport belt is used.
- a recording apparatus including an endless belt that transports a recording medium by being adhered and fixed, and a cleaning section having a wiping roller in which a peripheral surface of the endless belt is made of a polymeric porous body is disclosed in JP-A-11-192694 .
- a friction sound between the transport belt and the cleaning section may be great when cleaning the transport belt.
- the transport belt vibrates due to contact between the transport belt and the cleaning section and there is a concern that the vibration adversely affects recording quality.
- foam is greatly generated by ink or cleaning liquid, and the like due to the contact between the transport belt and the cleaning section.
- the recording apparatus including the transport belt that transports the recording medium and the cleaning section that cleans the transport belt, it is required to suppress a defect described above when cleaning the transport belt.
- An advantage of some aspects of the invention is to suppress a defect when cleaning a transport belt in a recording apparatus including a transport belt that transports a recording medium and a cleaning section that cleans the transport belt.
- a recording apparatus including: a transport belt that transports a recording medium; and a cleaning section that cleans the transport belt, in which the cleaning section has a spiral brush in which a hairlike contact section is spirally provided with respect to a rotation shaft.
- the recording apparatus may further include a control section that controls the transport belt and drive of the spiral brush.
- the control section may be capable of controlling the transport belt to be intermittently driven and capable of controlling a stop time such that the stop time in the intermittent drive is a rotation period of the spiral brush or greater.
- control section may be capable of controlling the stop time.
- control section may be capable of controlling a rotation speed of the spiral brush.
- the recording apparatus may further include a recording section that is capable of ejecting ink onto the recording medium transported by the transport belt.
- the control section may be capable of selecting control of the stop time and control of the rotation speed of the spiral brush according to a type of the ink.
- an angle of the spiral formed by the contact section may be 45 degrees or greater and less than 90 degrees with respect to the rotation shaft.
- the spiral brush may be configured such that a width of the contact section is less than two times with respect to an interval between the contact sections.
- a foam recovery section that recovers foams generated in the contact section may be provided at one end portion of the rotation shaft.
- the spiral brush may be configured such that the contact section is wound around the rotation shaft from one end portion to the other end portion in a first direction, and the foams rotate in a moving direction from the other end portion to one end portion.
- a foam recovery section that recovers foams generated in the contact section may be provided in both end portions of the rotation shaft.
- the spiral brush may be configured such that the contact section is wound from one end portion of the rotation shaft to a first point of the rotation shaft in a first direction, and the contact section is wound from the first point of the rotation shaft to the other end portion of the rotation shaft in a second direction reverse to the first direction and the foams rotate in a moving direction from the first point to both end portions of the rotation shaft.
- a method for cleaning a transport belt in a recording apparatus including a transport belt that transports a recording medium; and a cleaning section of the transport belt that has a spiral brush in which a hairlike contact section is spirally provided with respect to a rotation shaft, the method including: intermittently driving the transport belt and making a stop time in the intermittent drive be a rotation period of the spiral brush or greater.
- the stop time may be adjusted and the stop time in the intermittent drive may be the rotation period of the spiral brush or greater.
- a rotation speed of the spiral brush may be adjusted and the stop time in the intermittent drive may be the rotation period of the spiral brush or greater.
- the recording apparatus may include a recording section that is capable of ejecting ink onto the recording medium transported by the transport belt.
- the stop time may be adjusted or the rotation speed of the spiral brush may be adjusted depending on a type of ink, and the stop time in the intermittent drive may be the rotation period of the spiral brush or greater.
- the recording apparatus including the transport belt that transports the recording medium and the cleaning section that cleans the transport belt, it is possible to suppress a defect when cleaning the transport belt.
- Fig. 1 is a schematic side view illustrating a recording apparatus 1 according to a first embodiment of the invention.
- the recording apparatus 1 of the embodiment includes a delivery section 2 that rotates and delivers a roll-shaped recording medium M.
- the delivery section 2 of the embodiment can deliver the recording medium M to a transport belt 3 in delivery paths of two types of a tension feeding path T in which the recording medium M is delivered to the transport belt 3 in a tensioned state and a slack feeding path S in which the recording medium M is delivered to the transport belt 3 in a slackened state.
- the recording apparatus 1 of the embodiment is provided with a slack sensor 15 that detects whether or not the recording medium M is slackened at a predetermined slack amount or greater when the recording medium M is delivered to the transport belt 3 in the slackened state.
- the slack sensor 15 is an optical sensor capable of detecting whether or not the recording medium M exists in a predetermined position, but a sensor having a configuration other than the optical sensor of the embodiment may be used.
- the transport belt 3 of the embodiment is an endless belt in which adhesive is applied to a support surface 7 supporting the recording medium M and which is bridged between a drive roller 4 and a driven roller 5 while tension is applied.
- a pressing roller 6 is provided at a position facing the driven roller 5 and the recording medium M delivered from the delivery section 2 is mounted on the transport belt 3 while being pressed to the transport belt 3 by the pressing roller 6.
- the recording medium M mounted on the transport belt 3 is transported in a transport direction A by rotational movement of the transport belt 3 by a driving force of the drive roller 4.
- a recording section 8 is provided at a position facing the support surface 7 of the transport belt 3 in a transport path of the recording medium M by the transport belt 3.
- the recording section 8 includes a recording head 9 that ejects ink onto the recording medium M and a carriage 10 that mounts the recording head 9 and reciprocates in a direction B orthogonal to the transport direction A.
- the recording section 8 of the embodiment performs recording by reciprocating the recording head 9 in the direction B.
- the transport belt 3 is stopped and when the movement of the recording head 9 to one direction in the direction B is completed, the transport belt 3 is stopped after moving a predetermined amount. Then, the recording head 9 moves in a direction reverse to the one direction in the direction B when the transport belt 3 is stopped after the transport belt 3 moves a predetermined amount. That is, the transport belt 3 of the embodiment is intermittently moved corresponding to reciprocating movement of the recording head 9.
- the recording apparatus 1 of the embodiment includes the recording head 9 that performs recording while reciprocating, but may be a recording apparatus including a so-called line head in which a plurality of nozzles ejecting the ink are provided in the direction B intersecting the transport direction A.
- line head is a recording head which is used for the recording apparatus in which a region of the nozzles formed in the direction B intersecting the transport direction A of the recording medium M is provided so as to cover an entirety in the direction B of the recording medium M, one of the recording head and the recording medium M is fixed and the other is moved, and thereby an image is formed.
- the region of the nozzles in the direction B of the line head may not cover the entirety in the direction B of all recording media M corresponding to the recording apparatus.
- the recording apparatus 1 of the embodiment is configured such that the recording can be performed on an end portion of the recording medium M in a width direction (direction B) and, at this time, the ink ejected from the recording head 9 may be attached to the transport belt 3.
- the recording apparatus 1 of the embodiment is provided with the cleaning section 11 capable of cleaning the transport belt 3 to which the ink attached.
- the cleaning section 11 has a spiral brush 21 and a cleaning liquid tank 22 which can attach cleaning liquid to the spiral brush 21. Then, the cleaning section 11 has a cleaning section lifting motor 32 (see Fig. 2 ), and can be moved in a direction in contact with the transport belt 3 and in a direction away from the transport belt 3.
- the recording medium M on which the recording is performed by the recording head 9 is wound by a winding section 12 and the recording apparatus 1 of the embodiment is configured such that the recording medium M can be wound across a roll sheet P to suppress ink offset in the recording medium M on which the recording is completed and which is wound in the winding section 12.
- Winding of the recording medium M across the roll sheet P can be performed by setting the roll sheet P in a roll sheet delivery section 13 and making the roll sheet P be along a surface opposite to a recording surface of the recording medium M from the transport belt 3 to the winding section 12, and winding the recording medium M and the roll sheet P together in the winding section 12.
- the recording apparatus 1 of the embodiment has a CPU for controlling an entirety of the recording apparatus 1, a ROM for storing various control programs which are executed by the CPU, a RAM capable of temporarily storing data, and the like.
- the recording apparatus 1 is provided with a control section 14 performing driving control of each configuration member of a driving system of the recording apparatus 1.
- Fig. 2 is a block diagram of the recording apparatus 1 of the embodiment.
- the recording apparatus 1 of the embodiment has the control section 14.
- the control section 14 is connected to each configuration member of the driving system of the recording apparatus 1 such as a spiral brush motor 16 that is a driving source for driving the spiral brush 21 to rotate, the cleaning section lifting motor 32 that is a driving source when moving the cleaning section 11 in the direction in contact with the transport belt 3 and the direction away from the transport belt 3, a cleaning section position sensor 17 that detects a position of the cleaning section 11, a carriage motor 20 that can move the carriage 10 in the direction B, and a belt motor 29 that is a driving source of the drive roller 4 that drives the transport belt 3 to rotate.
- a spiral brush motor 16 that is a driving source for driving the spiral brush 21 to rotate
- the cleaning section lifting motor 32 that is a driving source when moving the cleaning section 11 in the direction in contact with the transport belt 3 and the direction away from the transport belt 3
- a cleaning section position sensor 17 that detects a position of the cleaning section 11
- a carriage motor 20 that can move the carriage 10 in the direction B
- control section 14 can be connected to a PC 18 that is an external device through an interface (not illustrated) and can receive an instruction from a user through a graphic user interface (GUI) 19 of the PC 18.
- GUI graphic user interface
- control section 14 of the embodiment can control drive of each configuration member of the driving system of the recording apparatus 1 such as the spiral brush motor 16, the cleaning section lifting motor 32, the cleaning section position sensor 17, the carriage motor 20, and the belt motor 29 based on the instruction of the user input from the GUI 19.
- control section 14 of the embodiment can control drive of the transport belt 3 and the spiral brush 21.
- control section 14 can control the transport belt 3 so as to be intermittently driven and can control the transport belt 3 such that a stop time in the intermittent drive is a rotation period of the spiral brush 21 or greater.
- the stop time is the rotation period of the spiral brush 21 or greater so that the spiral brush 21 rotates one revolution or greater in the stop time.
- control section 14 of the embodiment can perform a control such that the stop time is increased by controlling the belt motor 29 as a control in which the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater.
- a recording operation is performed by the recording head 9 in the stop of the transport belt 3 in the intermittent drive and movement is started in the intermittent drive when completing the recording operation as a trigger.
- the stop time in the intermittent drive is varied by the time of the recording operation. For example, if the width (printing width) of the recording medium M in the direction B is narrow and the like, the recording operation is completed in a short time, thus, the stop time of the intermittent drive becomes short. Accordingly, in such a case, it is possible to control the stop time such that the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater by controlling (increasing) a time from the completion of the printing operation to start of the movement of the intermittent drive.
- the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater without increasing a rotation speed of the spiral brush 21.
- the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater without increasing a rotation speed of the spiral brush 21.
- control section 14 of the embodiment controls the stop time such that the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater.
- control the rotation period such that the rotation period is shortened by increasing the rotation speed of the spiral brush 21. For example, if the printing width is narrow and the printing operation is completed in a short time, control in which the rotation speed is increased and the rotation period is shortened corresponds to this.
- the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater without increasing the stop time.
- the recording apparatus 1 of the embodiment includes the recording section capable of ejecting the ink onto the recording medium M transported by the transport belt 3.
- the control section 14 of the embodiment can select the control in which the stop time is increased and the control in which the rotation period is shortened by increasing the rotation speed of the spiral brush 21 depending on a type of the ink. Specifically, for example, if the ink is an easily foaming ink containing a large amount of surfactant and the like, the generation of the foams is suppressed by increasing the stop time and if the ink is a hardly foaming ink, it is possible to suppress a decrease of the recording speed due to the increase of the rotation speed of the spiral brush 21.
- Figs. 3 and 4 are schematic views illustrating the spiral brush 21 of the embodiment
- Fig. 3 is a front view of the spiral brush 21
- Fig. 4 is an enlarged cross-sectional view of the spiral brush 21.
- the spiral brush 21 of the embodiment is provided with a hairlike contact section 23 spirally with respect to a rotation shaft 24.
- the recording apparatus 1 of the embodiment has the transport belt 3 that transports the recording medium M and the cleaning section 11 that cleans the transport belt 3, and the cleaning section 11 has the spiral brush 21 in which the hairlike contact section 23 is provided spirally with respect to the rotation shaft 24.
- a contact area between the transport belt 3 and the contact section 23 is decreased. Defects such as generation of friction sound between the transport belt 3 and the cleaning section 11, generation of vibration of the transport belt 3, and generation of the foams due to contact between the transport belt 3 and the cleaning section 11 are suppressed.
- the spiral brush 21 of the embodiment is a so-called channel brush in which a channel 30 is fixed to the rotation shaft 24 extending in the direction B and the hairlike contact section 23 is fixed with a core bar 31 by being interposed by the channel 30.
- the contact section 23 is unlikely to be pulled out by making the spiral brush 21 of the embodiment be the brush having such a configuration.
- spiral brush 21 is not limited to the brush having such a configuration.
- the contact section 23 of the embodiment is provided spirally at an angle ⁇ of 45 degrees or greater and less than 90 degrees with respect to the rotation shaft 24.
- an angle of the spiral formed by the contact section 23 is 45 degrees or greater and less than 90 degrees with respect to the rotation shaft 24.
- the contact area of the contact section 23 with respect to the transport belt 3 is decreased in the rotation direction of the rotation shaft 24.
- defects such as a generation of friction sound between the transport belt 3 and the contact section 23, a generation of vibration of the transport belt 3, and a generation of the foams due to contact between the transport belt 3 and the cleaning section 11 are suppressed.
- the spiral brush 21 of the embodiment is configured such that a width L1 of the contact section is less than double an interval L2 between the contact sections 23 (that is, L1/L2 ⁇ 2).
- the contact area of the contact section 23 with respect to the transport belt 3 is decreased.
- defects such as the generation of the friction sound between the transport belt 3 and the contact section 23, the generation of the vibration of the transport belt 3, and the generation of the foams due to contact between the transport belt 3 and the cleaning section 11 are suppressed.
- the recording apparatus 1 of the embodiment includes a foam recovery section 25 that recovers the foams generated in the contact section 23 by the contact section 23 coming into contact with the transport belt 3 and the like in one end portion 26 of the rotation shaft 24.
- the spiral brush 21 is configured such that the contact section 23 is wound around the rotation shaft 24 from one end portion 26 to the other end portion 27 in a first direction (winding to the left) and the foams are rotated in a direction R moving from the other end portion 27 to one end portion 26.
- the rotation in the direction R is anticlockwise when viewed from one end portion 26 to the other end portion 27 in Fig. 3 .
- the spiral brush 21 rotates in a direction in which the foams are moved to the foam recovery section 25.
- the recovery of the foams is improved and attachment of the foams to the configuration member inside the recording apparatus 1 is suppressed.
- Fig. 5 is a schematic front view illustrating a spiral brush 21 of the embodiment. Moreover, the same reference numerals are given to the common configuration members with the above embodiment and detailed description will be omitted.
- a recording apparatus 1 of the embodiment is configured similar to the recording apparatus 1 of the first embodiment other than the shape of the spiral brush 21.
- the recording apparatus 1 of the embodiment has a foam recovery section 25 that recovers foams generated in a contact section 23 by the contact section 23 coming into contact with the transport belt 3 in both end portions 26 and 27 of the rotation shaft 24.
- the spiral brush 21 is configured such that the contact section 23 is wound around a rotation shaft 24 from one end portion 26 to a first point 28 in a first direction (winding to the left), the contact section 23 is wound around the rotation shaft 24 from the first point 28 of the rotation shaft 24 to the other end portion 27 of the rotation shaft 24 in a second direction (winding to the right) reverse to the first direction, and the foams are rotated in a direction R moving from the first point 28 to both end portions 26 and 27 of the rotation shaft 24.
- the spiral brush 21 is rotated in a direction in which the foams are moved to the foam recovery section 25 of both end portions 26 and 27.
- the recovery of the foams is improved and attachment of the foams to the configuration member inside the recording apparatus 1 is suppressed.
- Fig. 6 is a flowchart of the method for cleaning the transport belt 3 of the embodiment.
- step S110 the control section 14 obtains ink information from a chip provided in an ink cartridge set in the recording apparatus 1.
- step S120 the control section 14 determines whether the ink of the ink cartridge set in the recording apparatus 1 is easily foaming ink or hardly foaming ink from the ink information obtained in step S110. Moreover, it is possible to determine whether the ink is the easily foaming ink or the hardly foaming ink by storing ink information regarding whether each ink that can be used in the recording apparatus 1 of the embodiment is the easily foaming ink or the hardly foaming ink in the ROM and the like of the control section 14, and by corresponding the ink of the ink cartridge set in the recording apparatus 1 to which ink.
- step S120 if the ink is determined as the hardly foaming ink, the process proceeds to step S130 and the transport belt 3 is cleaned by the spiral brush 21 by driving the spiral brush motor 16 by increasing the rotation speed of the spiral brush 21.
- step S120 if the ink is determined as the easily foaming ink, the process proceeds to step S140 and the transport belt 3 is cleaned by the spiral brush 21 by driving the belt motor 29 by increasing the stop time in the intermittent drive of the transport belt 3.
- all conditions set in step S130 and step S140 are conditions that are set such that the stop time in the intermittent drive of the transport belt 3 is the rotation period of the spiral brush 21 or greater.
- step S150 the transport belt 3 is cleaned by the spiral brush 21 until it is determined that the cleaning of the transport belt 3 is completed and the method for cleaning the transport belt 3 of the embodiment is completed.
- the transport belt 3 is intermittently driven and the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater.
- the stop time is the rotation period of the spiral brush 21 or greater and thereby the spiral brush 21 rotates one revolution or greater in the stop time.
- step S140 it is possible to make the stop time in the intermittent drive be the rotation period of the spiral brush 21 or greater by increasing the stop time.
- step S130 it is possible to make the stop time in the intermittent drive be the rotation period of the spiral brush 21 or greater by shortening the rotation period by increasing the rotation speed of the spiral brush 21.
- step S120 a case where the stop time is increased and a case where the rotation period is shortened by increasing the rotation speed of the spiral brush 21 are selected depending on the type of ink that is used.
- a recording apparatus 1 of a first aspect of the invention for solving the above problems includes the transport belt 3 that transports the recording medium M and the cleaning section 11 that cleans the transport belt 3, and the cleaning section 11 has the spiral brush 21 in which the hairlike contact section 23 is provided spirally with respect to the rotation shaft 24.
- the cleaning section 11 has the spiral brush 21 in which the hairlike contact section 23 is provided spirally with respect to the rotation shaft 24. That is, it is possible to decrease the contact area between the transport belt 3 and the contact section 23. Thus, it is possible to suppress defects such as the generation of the friction sound between the transport belt 3 and the cleaning section 11, the generation of the vibration of the transport belt 3, and the generation of the foams due to the contact between the transport belt 3 and the cleaning section 11.
- the recording apparatus 1 of a second aspect of the invention includes the control section 14 that controls the transport belt 3 and the drive of the spiral brush 21.
- the control section 14 can control the transport belt 3 so as to be intermittently driven and can control the stop time such that the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater.
- control section 14 can control the transport belt 3 so as to be intermittently driven and can control the stop time such that the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater. That is, the stop time is the rotation period of the spiral brush 21 or greater and thereby the spiral brush 21 rotates one revolution or greater in the stop time.
- the stop time is the rotation period of the spiral brush 21 or greater and thereby the spiral brush 21 rotates one revolution or greater in the stop time.
- control section 14 can control the stop time.
- control section 14 can control the stop time. That is, is it is possible to control the stop time such that the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater without increasing a rotation speed of the spiral brush 21. Thus, it is possible to suppress a generation of foams due to the increase of the rotation speed of the spiral brush 21.
- control section 14 can control the rotation speed of the spiral brush 21.
- control section 14 can control the rotation speed of the spiral brush 21.
- the rotation period of the spiral brush 21 can be adjusted, it is possible to control the stop time such that the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater without increasing the stop time.
- the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater without increasing the stop time.
- the recording apparatus 1 of a fifth aspect of the invention includes the recording section 8 capable of ejecting the ink onto the recording medium M transported by the transport belt 3 and the control section 14 can select the control of the stop time and the control of the rotation speed of the spiral brush 21 according to the type of the ink.
- control section 14 can select the control of the stop time and the control of the rotation speed of the spiral brush 21 according to the type of the ink.
- the control section 14 can select the control of the stop time and the control of the rotation speed of the spiral brush 21 according to the type of the ink.
- the angle of the spiral formed by the contact section 23 is 45 degrees or greater and less than 90 degrees with respect to the rotation shaft 24.
- the contact section 23 is provided at the angle of 45 degrees or greater and less than 90 degrees with respect to the rotation shaft 24. That is, it is possible to decrease the contact area of the contact section 23 with respect to the transport belt 3 in the rotation direction of the rotation shaft 24. Thus, it is possible to suppress defects such as the generation of the friction sound between the transport belt 3 and the cleaning section 11, the generation of the vibration of the transport belt 3, and the generation of the foams due to the contact between the transport belt 3 and the cleaning section 11.
- the spiral brush 21 is configured such that the width L1 of the contact section is less than twice the interval L2 between the contact sections 23.
- the spiral brush 21 is configured such that the width of the contact section 23 with respect to the interval L2 between the contact sections 23 is less than two times. That is, the contact area of the contact section 23 with respect to the transport belt 3 can be decreased. Thus, defects such as the generation of the friction sound between the transport belt 3 and the cleaning section 11, the generation of the vibration of the transport belt 3, and the generation of the foams due to contact between the transport belt 3 and the cleaning section 11 can be suppressed.
- the foam recovery section 25 that recovers the foams generated in the contact section 23 is provided in one end portion 26 of the rotation shaft 24, the spiral brush 21 is configured such that the contact section 23 is wound around the rotation shaft 24 from one end portion 26 to the other end portion 27 in first direction, and the foams are rotated from the other end portion 27 to the one end portion 26 in the direction R.
- the spiral brush 21 is configured such that the contact section 23 is wound around the rotation shaft 24 from one end portion 26 to the other end portion 27 in the first direction and the foams are rotated from the other end portion 27 to the one end portion 26 in the direction R. That is, the spiral brush 21 is rotated in the direction in which the foams are moved to the foam recovery section 25. Thus, it is possible to improve the recovery of the foams.
- the foam recovery section 25 that recovers the foams generated by the contact section 23 is provided in both end portions 26 and 27 of the rotation shaft 24, the spiral brush 21 is configured such that the contact section 23 is wound around the rotation shaft 24 from one end portion 26 of the rotation shaft 24 to the first point 28 of the rotation shaft 24 in the first direction, and the contact section 23 is wound from the first point 28 of the rotation shaft 24 to the other end portion 27 of the rotation shaft 24 in the second direction reverse to the first direction.
- the foams are rotated from the first point 28 to both end portions 26 and 27 of the rotation shaft 24 in the direction R.
- the spiral brush 21 is configured such that the contact section 23 is wound around the rotation shaft 24 from one end portion 26 of the rotation shaft 24 to the first point 28 of the rotation shaft 24 in the first direction, the contact section 23 is wound from the first point 28 of the rotation shaft 24 to the other end portion 27 of the rotation shaft 24 in the second direction reverse to the first direction, and the foams are rotated from the first point 28 to both end portions 26 and 27 of the rotation shaft 24 in the direction R. That is, the spiral brush 21 is rotated in the direction in which the foams are moved to the foam recovery section 25. Thus, it is possible to improve the recovery of the foams.
- a method for cleaning the transport belt 3 of a tenth aspect of the invention is a method for cleaning the transport belt 3 in the recording apparatus 1 including the transport belt 3 that transports the recording medium M and the cleaning section 11 of the transport belt 3 that has the spiral brush 21 in which the hairlike contact section 23 is spirally provided with respect to the rotation shaft 24, the method includes intermittently driving the transport belt 3 and making the stop time in the intermittent drive be the rotation period of the spiral brush 21 or greater.
- the transport belt 3 is intermittently driven and the stop time in the intermittent drive is the rotation period of the spiral brush 21 or greater. That is, the stop time is the rotation period of the spiral brush 21 or greater and the spiral brush 21 rotates one revolution or greater in the stop time.
- the stop time is the rotation period of the spiral brush 21 or greater and the spiral brush 21 rotates one revolution or greater in the stop time.
- the stop time is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater.
- the stop time is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater. That is, is it is possible to make the stop time in the intermittent drive be the rotation period of the spiral brush 21 or greater without increasing the rotation speed of the spiral brush 21. Thus, it is possible to suppress a generation of foams due to the increase of the rotation speed of the spiral brush 21.
- the rotation speed of the spiral brush 21 is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater.
- the rotation speed of the spiral brush 21 is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater. That is, it is possible to make the stop time in the intermittent drive be the rotation period of the spiral brush 21 or greater without increasing the stop time. Thus, it is possible to suppress a decrease of the recording speed due to the increase of the stop time.
- a recording apparatus 1 includes a recording section 8 capable of ejecting the ink onto the recording medium M transported by the transport belt 3, the stop time is adjusted or the rotation speed of the spiral brush 21 is adjusted according to the type of the ink, and the stop time in the intermittent drive is selected to be the rotation period of the spiral brush or greater.
- the stop time or the rotation speed of the spiral brush 21 is adjusted according to the type of the ink and the stop time in the intermittent drive is selected to be the rotation period of the spiral brush or greater.
- the spiral brush 21 is described in a form of being rotated in the direction R, but is not limited to the embodiments, and the transport belt 3 may perform the transport while switching the rotation in the direction R and the reverse rotation thereof, a switching timing may be a timing of movement of the intermittent drive, and may be every predetermined time.
- the foam recovery sections 25 may be provided in both end portions 26 and 27 similar to the second embodiment. There is also an effect of uniformity of the state of the cleaning liquid in the cleaning liquid tank 22 or an effect of a decrease in the foams generated in the cleaning liquid tank 22 by switching the rotation direction.
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- Ink Jet (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
Description
- The present invention relates to a recording apparatus and a method for cleaning a transport belt.
- In the related art, recording apparatuses in which a recording medium is transported by a transport belt is used. Among them, a recording apparatus including a cleaning section for cleaning the transport belt is used.
- For example, a recording apparatus including an endless belt that transports a recording medium by being adhered and fixed, and a cleaning section having a wiping roller in which a peripheral surface of the endless belt is made of a polymeric porous body is disclosed in
JP-A-11-192694 - However, in the recording apparatus including a transport belt that transports the recording medium and a cleaning section that cleans the transport belt as disclosed in
JP-A-11-192694 - Thus, in the recording apparatus including the transport belt that transports the recording medium and the cleaning section that cleans the transport belt, it is required to suppress a defect described above when cleaning the transport belt.
- An advantage of some aspects of the invention is to suppress a defect when cleaning a transport belt in a recording apparatus including a transport belt that transports a recording medium and a cleaning section that cleans the transport belt.
- According to an aspect of the invention, there is provided a recording apparatus including: a transport belt that transports a recording medium; and a cleaning section that cleans the transport belt, in which the cleaning section has a spiral brush in which a hairlike contact section is spirally provided with respect to a rotation shaft.
- The recording apparatus may further include a control section that controls the transport belt and drive of the spiral brush. The control section may be capable of controlling the transport belt to be intermittently driven and capable of controlling a stop time such that the stop time in the intermittent drive is a rotation period of the spiral brush or greater.
- In the recording apparatus, the control section may be capable of controlling the stop time.
- In the recording apparatus, the control section may be capable of controlling a rotation speed of the spiral brush.
- The recording apparatus may further include a recording section that is capable of ejecting ink onto the recording medium transported by the transport belt. The control section may be capable of selecting control of the stop time and control of the rotation speed of the spiral brush according to a type of the ink.
- In the recording apparatus, an angle of the spiral formed by the contact section may be 45 degrees or greater and less than 90 degrees with respect to the rotation shaft.
- In the recording apparatus, the spiral brush may be configured such that a width of the contact section is less than two times with respect to an interval between the contact sections.
- In the recording apparatus, a foam recovery section that recovers foams generated in the contact section may be provided at one end portion of the rotation shaft. The spiral brush may be configured such that the contact section is wound around the rotation shaft from one end portion to the other end portion in a first direction, and the foams rotate in a moving direction from the other end portion to one end portion.
- In the recording apparatus, a foam recovery section that recovers foams generated in the contact section may be provided in both end portions of the rotation shaft. The spiral brush may be configured such that the contact section is wound from one end portion of the rotation shaft to a first point of the rotation shaft in a first direction, and the contact section is wound from the first point of the rotation shaft to the other end portion of the rotation shaft in a second direction reverse to the first direction and the foams rotate in a moving direction from the first point to both end portions of the rotation shaft.
- According to another aspect of the invention, there is provided a method for cleaning a transport belt in a recording apparatus including a transport belt that transports a recording medium; and a cleaning section of the transport belt that has a spiral brush in which a hairlike contact section is spirally provided with respect to a rotation shaft, the method including: intermittently driving the transport belt and making a stop time in the intermittent drive be a rotation period of the spiral brush or greater.
- In the method for cleaning a transport belt, the stop time may be adjusted and the stop time in the intermittent drive may be the rotation period of the spiral brush or greater.
- In the method for cleaning a transport belt, a rotation speed of the spiral brush may be adjusted and the stop time in the intermittent drive may be the rotation period of the spiral brush or greater.
- In the method for cleaning a transport belt, the recording apparatus may include a recording section that is capable of ejecting ink onto the recording medium transported by the transport belt. The stop time may be adjusted or the rotation speed of the spiral brush may be adjusted depending on a type of ink, and the stop time in the intermittent drive may be the rotation period of the spiral brush or greater.
- According to the aspects of the invention, in the recording apparatus including the transport belt that transports the recording medium and the cleaning section that cleans the transport belt, it is possible to suppress a defect when cleaning the transport belt.
- Embodiments of the invention will now be described by way of example only with reference to the accompanying drawings, wherein like numbers reference like elements.
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Fig. 1 is a schematic side view illustrating a recording apparatus according to a first embodiment of the invention. -
Fig. 2 is a block diagram illustrating the recording apparatus according to the first embodiment of the invention. -
Fig. 3 is a schematic view illustrating a spiral brush of the recording apparatus according to the first embodiment of the invention. -
Fig. 4 is a schematic view illustrating the spiral brush of the recording apparatus according to the first embodiment of the invention. -
Fig. 5 is a schematic view illustrating a spiral brush of a recording apparatus according to a second embodiment of the invention. -
Fig. 6 is a flowchart illustrating an embodiment of a method for cleaning a transport belt of the invention. - Hereinafter, a recording apparatus according to an embodiment of the invention will be described in detail with reference to drawings.
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Fig. 1 is a schematic side view illustrating a recording apparatus 1 according to a first embodiment of the invention. - The recording apparatus 1 of the embodiment includes a delivery section 2 that rotates and delivers a roll-shaped recording medium M. The delivery section 2 of the embodiment can deliver the recording medium M to a transport belt 3 in delivery paths of two types of a tension feeding path T in which the recording medium M is delivered to the transport belt 3 in a tensioned state and a slack feeding path S in which the recording medium M is delivered to the transport belt 3 in a slackened state.
- The recording apparatus 1 of the embodiment is provided with a
slack sensor 15 that detects whether or not the recording medium M is slackened at a predetermined slack amount or greater when the recording medium M is delivered to the transport belt 3 in the slackened state. Moreover, theslack sensor 15 is an optical sensor capable of detecting whether or not the recording medium M exists in a predetermined position, but a sensor having a configuration other than the optical sensor of the embodiment may be used. - The transport belt 3 of the embodiment is an endless belt in which adhesive is applied to a support surface 7 supporting the recording medium M and which is bridged between a
drive roller 4 and a drivenroller 5 while tension is applied. - Furthermore, a pressing roller 6 is provided at a position facing the driven
roller 5 and the recording medium M delivered from the delivery section 2 is mounted on the transport belt 3 while being pressed to the transport belt 3 by the pressing roller 6. - Thus, the recording medium M mounted on the transport belt 3 is transported in a transport direction A by rotational movement of the transport belt 3 by a driving force of the
drive roller 4. - A
recording section 8 is provided at a position facing the support surface 7 of the transport belt 3 in a transport path of the recording medium M by the transport belt 3. Therecording section 8 includes arecording head 9 that ejects ink onto the recording medium M and acarriage 10 that mounts therecording head 9 and reciprocates in a direction B orthogonal to the transport direction A. - As described above, the
recording section 8 of the embodiment performs recording by reciprocating therecording head 9 in the direction B. In a recording operation, when therecording head 9 is moved in the direction B, the transport belt 3 is stopped and when the movement of therecording head 9 to one direction in the direction B is completed, the transport belt 3 is stopped after moving a predetermined amount. Then, therecording head 9 moves in a direction reverse to the one direction in the direction B when the transport belt 3 is stopped after the transport belt 3 moves a predetermined amount. That is, the transport belt 3 of the embodiment is intermittently moved corresponding to reciprocating movement of therecording head 9. - Moreover, the recording apparatus 1 of the embodiment includes the
recording head 9 that performs recording while reciprocating, but may be a recording apparatus including a so-called line head in which a plurality of nozzles ejecting the ink are provided in the direction B intersecting the transport direction A. - Here, "line head" is a recording head which is used for the recording apparatus in which a region of the nozzles formed in the direction B intersecting the transport direction A of the recording medium M is provided so as to cover an entirety in the direction B of the recording medium M, one of the recording head and the recording medium M is fixed and the other is moved, and thereby an image is formed. Moreover, the region of the nozzles in the direction B of the line head may not cover the entirety in the direction B of all recording media M corresponding to the recording apparatus.
- Moreover, the recording apparatus 1 of the embodiment is configured such that the recording can be performed on an end portion of the recording medium M in a width direction (direction B) and, at this time, the ink ejected from the
recording head 9 may be attached to the transport belt 3. Thus, the recording apparatus 1 of the embodiment is provided with thecleaning section 11 capable of cleaning the transport belt 3 to which the ink attached. - The
cleaning section 11 has aspiral brush 21 and a cleaningliquid tank 22 which can attach cleaning liquid to thespiral brush 21. Then, thecleaning section 11 has a cleaning section lifting motor 32 (seeFig. 2 ), and can be moved in a direction in contact with the transport belt 3 and in a direction away from the transport belt 3. - The recording medium M on which the recording is performed by the
recording head 9 is wound by awinding section 12 and the recording apparatus 1 of the embodiment is configured such that the recording medium M can be wound across a roll sheet P to suppress ink offset in the recording medium M on which the recording is completed and which is wound in thewinding section 12. Winding of the recording medium M across the roll sheet P can be performed by setting the roll sheet P in a rollsheet delivery section 13 and making the roll sheet P be along a surface opposite to a recording surface of the recording medium M from the transport belt 3 to thewinding section 12, and winding the recording medium M and the roll sheet P together in thewinding section 12. - Furthermore, the recording apparatus 1 of the embodiment has a CPU for controlling an entirety of the recording apparatus 1, a ROM for storing various control programs which are executed by the CPU, a RAM capable of temporarily storing data, and the like. The recording apparatus 1 is provided with a
control section 14 performing driving control of each configuration member of a driving system of the recording apparatus 1. - Next, an electric configuration in the recording apparatus 1 of the embodiment will be described.
-
Fig. 2 is a block diagram of the recording apparatus 1 of the embodiment. - The recording apparatus 1 of the embodiment has the
control section 14. Thecontrol section 14 is connected to each configuration member of the driving system of the recording apparatus 1 such as aspiral brush motor 16 that is a driving source for driving thespiral brush 21 to rotate, the cleaningsection lifting motor 32 that is a driving source when moving thecleaning section 11 in the direction in contact with the transport belt 3 and the direction away from the transport belt 3, a cleaningsection position sensor 17 that detects a position of thecleaning section 11, acarriage motor 20 that can move thecarriage 10 in the direction B, and abelt motor 29 that is a driving source of thedrive roller 4 that drives the transport belt 3 to rotate. - Furthermore, the
control section 14 can be connected to aPC 18 that is an external device through an interface (not illustrated) and can receive an instruction from a user through a graphic user interface (GUI) 19 of thePC 18. - According to such a configuration, the
control section 14 of the embodiment can control drive of each configuration member of the driving system of the recording apparatus 1 such as thespiral brush motor 16, the cleaningsection lifting motor 32, the cleaningsection position sensor 17, thecarriage motor 20, and thebelt motor 29 based on the instruction of the user input from theGUI 19. - Furthermore, as described above, the
control section 14 of the embodiment can control drive of the transport belt 3 and thespiral brush 21. - Then, the
control section 14 can control the transport belt 3 so as to be intermittently driven and can control the transport belt 3 such that a stop time in the intermittent drive is a rotation period of thespiral brush 21 or greater. - Thus, the stop time is the rotation period of the
spiral brush 21 or greater so that thespiral brush 21 rotates one revolution or greater in the stop time. Thus, it is possible to suppress a generation of a portion which does not come into contact with the transport belt 3 in thespiral brush 21. Thus, it is possible to suppress a generation of a cleaning failure portion in the transport belt 3. - Furthermore, the
control section 14 of the embodiment can perform a control such that the stop time is increased by controlling thebelt motor 29 as a control in which the stop time in the intermittent drive is the rotation period of thespiral brush 21 or greater. - A recording operation is performed by the
recording head 9 in the stop of the transport belt 3 in the intermittent drive and movement is started in the intermittent drive when completing the recording operation as a trigger. Thus, the stop time in the intermittent drive is varied by the time of the recording operation. For example, if the width (printing width) of the recording medium M in the direction B is narrow and the like, the recording operation is completed in a short time, thus, the stop time of the intermittent drive becomes short. Accordingly, in such a case, it is possible to control the stop time such that the stop time in the intermittent drive is the rotation period of thespiral brush 21 or greater by controlling (increasing) a time from the completion of the printing operation to start of the movement of the intermittent drive. - That is it is possible to control the stop time such that the stop time in the intermittent drive is the rotation period of the
spiral brush 21 or greater without increasing a rotation speed of thespiral brush 21. Thus, it is possible to suppress a generation of foams by the transport belt 3 coming into contact with thecleaning section 11 by increasing the rotation speed of thespiral brush 21. - Furthermore, the
control section 14 of the embodiment controls the stop time such that the stop time in the intermittent drive is the rotation period of thespiral brush 21 or greater. Thus, it is also possible to control the rotation period such that the rotation period is shortened by increasing the rotation speed of thespiral brush 21. For example, if the printing width is narrow and the printing operation is completed in a short time, control in which the rotation speed is increased and the rotation period is shortened corresponds to this. - That is, it is possible to control the stop time such that the stop time in the intermittent drive is the rotation period of the
spiral brush 21 or greater without increasing the stop time. Thus, it is possible to suppress a decrease of a recording speed due to the increase of the stop time. - Furthermore, as described above, the recording apparatus 1 of the embodiment includes the recording section capable of ejecting the ink onto the recording medium M transported by the transport belt 3.
- Then, the
control section 14 of the embodiment can select the control in which the stop time is increased and the control in which the rotation period is shortened by increasing the rotation speed of thespiral brush 21 depending on a type of the ink. Specifically, for example, if the ink is an easily foaming ink containing a large amount of surfactant and the like, the generation of the foams is suppressed by increasing the stop time and if the ink is a hardly foaming ink, it is possible to suppress a decrease of the recording speed due to the increase of the rotation speed of thespiral brush 21. - Thus, it is possible to suppress the generation of the foams due to the increase of the rotation speed of the
spiral brush 21 and the decrease of the recording speed due to the increase of the stop time while balancing according to the type of the ink. - Next, the
spiral brush 21 of the embodiment will be described. -
Figs. 3 and4 are schematic views illustrating thespiral brush 21 of the embodiment,Fig. 3 is a front view of thespiral brush 21, andFig. 4 is an enlarged cross-sectional view of thespiral brush 21. - As illustrated in
Fig. 3 , thespiral brush 21 of the embodiment is provided with ahairlike contact section 23 spirally with respect to arotation shaft 24. - That is, the recording apparatus 1 of the embodiment has the transport belt 3 that transports the recording medium M and the
cleaning section 11 that cleans the transport belt 3, and thecleaning section 11 has thespiral brush 21 in which thehairlike contact section 23 is provided spirally with respect to therotation shaft 24. - Then, according to such a configuration, a contact area between the transport belt 3 and the
contact section 23 is decreased. Defects such as generation of friction sound between the transport belt 3 and thecleaning section 11, generation of vibration of the transport belt 3, and generation of the foams due to contact between the transport belt 3 and thecleaning section 11 are suppressed. - Furthermore, as illustrated in
Fig. 4 , thespiral brush 21 of the embodiment is a so-called channel brush in which achannel 30 is fixed to therotation shaft 24 extending in the direction B and thehairlike contact section 23 is fixed with acore bar 31 by being interposed by thechannel 30. - The
contact section 23 is unlikely to be pulled out by making thespiral brush 21 of the embodiment be the brush having such a configuration. - However, the
spiral brush 21 is not limited to the brush having such a configuration. - Furthermore, as illustrated in
Fig. 3 , thecontact section 23 of the embodiment is provided spirally at an angle θ of 45 degrees or greater and less than 90 degrees with respect to therotation shaft 24. In other words, an angle of the spiral formed by thecontact section 23 is 45 degrees or greater and less than 90 degrees with respect to therotation shaft 24. - According to such a configuration, the contact area of the
contact section 23 with respect to the transport belt 3 is decreased in the rotation direction of therotation shaft 24. Thus, defects such as a generation of friction sound between the transport belt 3 and thecontact section 23, a generation of vibration of the transport belt 3, and a generation of the foams due to contact between the transport belt 3 and thecleaning section 11 are suppressed. - Furthermore, as illustrated in
Fig. 3 , thespiral brush 21 of the embodiment is configured such that a width L1 of the contact section is less than double an interval L2 between the contact sections 23 (that is, L1/L2<2). - According to such a configuration, the contact area of the
contact section 23 with respect to the transport belt 3 is decreased. Thus, defects such as the generation of the friction sound between the transport belt 3 and thecontact section 23, the generation of the vibration of the transport belt 3, and the generation of the foams due to contact between the transport belt 3 and thecleaning section 11 are suppressed. - Furthermore, as illustrated in
Fig. 3 , the recording apparatus 1 of the embodiment includes afoam recovery section 25 that recovers the foams generated in thecontact section 23 by thecontact section 23 coming into contact with the transport belt 3 and the like in oneend portion 26 of therotation shaft 24. Then, thespiral brush 21 is configured such that thecontact section 23 is wound around therotation shaft 24 from oneend portion 26 to theother end portion 27 in a first direction (winding to the left) and the foams are rotated in a direction R moving from theother end portion 27 to oneend portion 26. The rotation in the direction R is anticlockwise when viewed from oneend portion 26 to theother end portion 27 inFig. 3 . - As described above, the
spiral brush 21 rotates in a direction in which the foams are moved to thefoam recovery section 25. Thus, the recovery of the foams is improved and attachment of the foams to the configuration member inside the recording apparatus 1 is suppressed. - Next, a recording apparatus of a second embodiment will be described with reference to the accompanying drawing.
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Fig. 5 is a schematic front view illustrating aspiral brush 21 of the embodiment. Moreover, the same reference numerals are given to the common configuration members with the above embodiment and detailed description will be omitted. - Moreover, a recording apparatus 1 of the embodiment is configured similar to the recording apparatus 1 of the first embodiment other than the shape of the
spiral brush 21. - The recording apparatus 1 of the embodiment has a
foam recovery section 25 that recovers foams generated in acontact section 23 by thecontact section 23 coming into contact with the transport belt 3 in bothend portions rotation shaft 24. Then, thespiral brush 21 is configured such that thecontact section 23 is wound around arotation shaft 24 from oneend portion 26 to afirst point 28 in a first direction (winding to the left), thecontact section 23 is wound around therotation shaft 24 from thefirst point 28 of therotation shaft 24 to theother end portion 27 of therotation shaft 24 in a second direction (winding to the right) reverse to the first direction, and the foams are rotated in a direction R moving from thefirst point 28 to bothend portions rotation shaft 24. - As described above, the
spiral brush 21 is rotated in a direction in which the foams are moved to thefoam recovery section 25 of bothend portions - Next, an embodiment of a method for cleaning the transport belt 3 that is used in the recording apparatus 1 of the embodiment will be described.
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Fig. 6 is a flowchart of the method for cleaning the transport belt 3 of the embodiment. - When starting the method for cleaning the transport belt 3 of the embodiment, initially, in step S110, the
control section 14 obtains ink information from a chip provided in an ink cartridge set in the recording apparatus 1. - Next, in step S120, the
control section 14 determines whether the ink of the ink cartridge set in the recording apparatus 1 is easily foaming ink or hardly foaming ink from the ink information obtained in step S110. Moreover, it is possible to determine whether the ink is the easily foaming ink or the hardly foaming ink by storing ink information regarding whether each ink that can be used in the recording apparatus 1 of the embodiment is the easily foaming ink or the hardly foaming ink in the ROM and the like of thecontrol section 14, and by corresponding the ink of the ink cartridge set in the recording apparatus 1 to which ink. - In step S120, if the ink is determined as the hardly foaming ink, the process proceeds to step S130 and the transport belt 3 is cleaned by the
spiral brush 21 by driving thespiral brush motor 16 by increasing the rotation speed of thespiral brush 21. - Meanwhile, in step S120, if the ink is determined as the easily foaming ink, the process proceeds to step S140 and the transport belt 3 is cleaned by the
spiral brush 21 by driving thebelt motor 29 by increasing the stop time in the intermittent drive of the transport belt 3. - Here, all conditions set in step S130 and step S140 are conditions that are set such that the stop time in the intermittent drive of the transport belt 3 is the rotation period of the
spiral brush 21 or greater. - Then, in step S150, the transport belt 3 is cleaned by the
spiral brush 21 until it is determined that the cleaning of the transport belt 3 is completed and the method for cleaning the transport belt 3 of the embodiment is completed. - As described above, in the method for cleaning the transport belt 3 of the embodiment, as illustrated in step S130 and step S140, the transport belt 3 is intermittently driven and the stop time in the intermittent drive is the rotation period of the
spiral brush 21 or greater. - As described above, the stop time is the rotation period of the
spiral brush 21 or greater and thereby thespiral brush 21 rotates one revolution or greater in the stop time. Thus, it is possible to suppress the generation of a portion of thespiral brush 21 not coming into contact with the transport belt 3 and the generation of a cleaning failure portion in the transport belt 3. - Furthermore, as described above, in the method for cleaning the transport belt 3 of the embodiment, as illustrated in step S140, it is possible to make the stop time in the intermittent drive be the rotation period of the
spiral brush 21 or greater by increasing the stop time. - Thus, it is possible to suppress the generation of the foams due to the increase of the rotation speed of the
spiral brush 21. - Furthermore, as described above, in the method for cleaning the transport belt 3 of the embodiment, as illustrated in step S130, it is possible to make the stop time in the intermittent drive be the rotation period of the
spiral brush 21 or greater by shortening the rotation period by increasing the rotation speed of thespiral brush 21. - Thus, it is possible to suppress the decrease of the recording speed due to the increase of the stop time.
- Furthermore, as described above, in the method for cleaning the transport belt 3 of the embodiment, as illustrated in step S120, a case where the stop time is increased and a case where the rotation period is shortened by increasing the rotation speed of the
spiral brush 21 are selected depending on the type of ink that is used. - Thus, it is possible to suppress the generation of the foams due to the increase of the rotation speed of the
spiral brush 21 and the decrease of the recording speed due to the increase of the stop time while taking the balance according to the type of the ink that is used. - Moreover, the invention is not limited to the above embodiments, various modifications can be made within the scope of the invention described in the claims, and it goes without saying that they are also included within the scope of the invention.
- Above, the invention is described in detail based on specific embodiments. Here, the invention will be described together again.
- A recording apparatus 1 of a first aspect of the invention for solving the above problems includes the transport belt 3 that transports the recording medium M and the
cleaning section 11 that cleans the transport belt 3, and thecleaning section 11 has thespiral brush 21 in which thehairlike contact section 23 is provided spirally with respect to therotation shaft 24. - According to the aspect, the
cleaning section 11 has thespiral brush 21 in which thehairlike contact section 23 is provided spirally with respect to therotation shaft 24. That is, it is possible to decrease the contact area between the transport belt 3 and thecontact section 23. Thus, it is possible to suppress defects such as the generation of the friction sound between the transport belt 3 and thecleaning section 11, the generation of the vibration of the transport belt 3, and the generation of the foams due to the contact between the transport belt 3 and thecleaning section 11. - The recording apparatus 1 of a second aspect of the invention according to the first aspect includes the
control section 14 that controls the transport belt 3 and the drive of thespiral brush 21. Thecontrol section 14 can control the transport belt 3 so as to be intermittently driven and can control the stop time such that the stop time in the intermittent drive is the rotation period of thespiral brush 21 or greater. - According to the aspect, the
control section 14 can control the transport belt 3 so as to be intermittently driven and can control the stop time such that the stop time in the intermittent drive is the rotation period of thespiral brush 21 or greater. That is, the stop time is the rotation period of thespiral brush 21 or greater and thereby thespiral brush 21 rotates one revolution or greater in the stop time. Thus, it is possible to suppress a generation of the portion of thespiral brush 21 not coming into contact with the transport belt 3 and a generation of the cleaning failure portion in the transport belt 3. - In the recording apparatus 1 of a third aspect of the invention according to the second aspect, the
control section 14 can control the stop time. - According to the aspect, the
control section 14 can control the stop time. That is, is it is possible to control the stop time such that the stop time in the intermittent drive is the rotation period of thespiral brush 21 or greater without increasing a rotation speed of thespiral brush 21. Thus, it is possible to suppress a generation of foams due to the increase of the rotation speed of thespiral brush 21. - In the recording apparatus 1 of a fourth aspect of the invention according to the second or third aspect, the
control section 14 can control the rotation speed of thespiral brush 21. - According to the aspect, the
control section 14 can control the rotation speed of thespiral brush 21. Thus, since the rotation period of thespiral brush 21 can be adjusted, it is possible to control the stop time such that the stop time in the intermittent drive is the rotation period of thespiral brush 21 or greater without increasing the stop time. Thus, it is possible to suppress the decrease of the recording speed due to the increase of the stop time. - The recording apparatus 1 of a fifth aspect of the invention according to any one of the second to fourth aspects includes the
recording section 8 capable of ejecting the ink onto the recording medium M transported by the transport belt 3 and thecontrol section 14 can select the control of the stop time and the control of the rotation speed of thespiral brush 21 according to the type of the ink. - According to the aspect, the
control section 14 can select the control of the stop time and the control of the rotation speed of thespiral brush 21 according to the type of the ink. Thus, it is possible to suppress the generation of the foams due to the increase of the rotation speed of thespiral brush 21 and the decrease of the recording speed due to the increase of the stop time while taking the balance according to the type of the ink. - In the recording apparatus 1 of a sixth aspect of the invention according to any one of the first to fifth aspects, the angle of the spiral formed by the
contact section 23 is 45 degrees or greater and less than 90 degrees with respect to therotation shaft 24. - According to the aspect, the
contact section 23 is provided at the angle of 45 degrees or greater and less than 90 degrees with respect to therotation shaft 24. That is, it is possible to decrease the contact area of thecontact section 23 with respect to the transport belt 3 in the rotation direction of therotation shaft 24. Thus, it is possible to suppress defects such as the generation of the friction sound between the transport belt 3 and thecleaning section 11, the generation of the vibration of the transport belt 3, and the generation of the foams due to the contact between the transport belt 3 and thecleaning section 11. - In the recording apparatus 1 of a seventh aspect of the invention according to any one of the first to sixth aspects, the
spiral brush 21 is configured such that the width L1 of the contact section is less than twice the interval L2 between thecontact sections 23. - According to the aspect, the
spiral brush 21 is configured such that the width of thecontact section 23 with respect to the interval L2 between thecontact sections 23 is less than two times. That is, the contact area of thecontact section 23 with respect to the transport belt 3 can be decreased. Thus, defects such as the generation of the friction sound between the transport belt 3 and thecleaning section 11, the generation of the vibration of the transport belt 3, and the generation of the foams due to contact between the transport belt 3 and thecleaning section 11 can be suppressed. - In the recording apparatus 1 of an eighth aspect of the invention according to any one of the first to seventh aspects, the
foam recovery section 25 that recovers the foams generated in thecontact section 23 is provided in oneend portion 26 of therotation shaft 24, thespiral brush 21 is configured such that thecontact section 23 is wound around therotation shaft 24 from oneend portion 26 to theother end portion 27 in first direction, and the foams are rotated from theother end portion 27 to the oneend portion 26 in the direction R. - According to the aspect, the
spiral brush 21 is configured such that thecontact section 23 is wound around therotation shaft 24 from oneend portion 26 to theother end portion 27 in the first direction and the foams are rotated from theother end portion 27 to the oneend portion 26 in the direction R. That is, thespiral brush 21 is rotated in the direction in which the foams are moved to thefoam recovery section 25. Thus, it is possible to improve the recovery of the foams. - In the recording apparatus 1 of a ninth aspect of the invention according to any one of the first to the seventh aspects, the
foam recovery section 25 that recovers the foams generated by thecontact section 23 is provided in bothend portions rotation shaft 24, thespiral brush 21 is configured such that thecontact section 23 is wound around therotation shaft 24 from oneend portion 26 of therotation shaft 24 to thefirst point 28 of therotation shaft 24 in the first direction, and thecontact section 23 is wound from thefirst point 28 of therotation shaft 24 to theother end portion 27 of therotation shaft 24 in the second direction reverse to the first direction. The foams are rotated from thefirst point 28 to bothend portions rotation shaft 24 in the direction R. - According to the aspect, the
spiral brush 21 is configured such that thecontact section 23 is wound around therotation shaft 24 from oneend portion 26 of therotation shaft 24 to thefirst point 28 of therotation shaft 24 in the first direction, thecontact section 23 is wound from thefirst point 28 of therotation shaft 24 to theother end portion 27 of therotation shaft 24 in the second direction reverse to the first direction, and the foams are rotated from thefirst point 28 to bothend portions rotation shaft 24 in the direction R. That is, thespiral brush 21 is rotated in the direction in which the foams are moved to thefoam recovery section 25. Thus, it is possible to improve the recovery of the foams. - A method for cleaning the transport belt 3 of a tenth aspect of the invention is a method for cleaning the transport belt 3 in the recording apparatus 1 including the transport belt 3 that transports the recording medium M and the
cleaning section 11 of the transport belt 3 that has thespiral brush 21 in which thehairlike contact section 23 is spirally provided with respect to therotation shaft 24, the method includes intermittently driving the transport belt 3 and making the stop time in the intermittent drive be the rotation period of thespiral brush 21 or greater. - According to the aspect, the transport belt 3 is intermittently driven and the stop time in the intermittent drive is the rotation period of the
spiral brush 21 or greater. That is, the stop time is the rotation period of thespiral brush 21 or greater and thespiral brush 21 rotates one revolution or greater in the stop time. Thus, it is possible to suppress a generation of the portion of thespiral brush 21 not coming into contact with the transport belt 3 and a generation of the cleaning failure portion in the transport belt 3. - In the method for cleaning the transport belt 3 of the eleventh aspect according to the tenth aspect, the stop time is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater.
- According to the aspect, the stop time is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater. That is, is it is possible to make the stop time in the intermittent drive be the rotation period of the
spiral brush 21 or greater without increasing the rotation speed of thespiral brush 21. Thus, it is possible to suppress a generation of foams due to the increase of the rotation speed of thespiral brush 21. - In the method for cleaning the transport belt 3 of a twelfth aspect according to the tenth or eleventh aspect, the rotation speed of the
spiral brush 21 is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater. - According to the aspect, the rotation speed of the
spiral brush 21 is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater. That is, it is possible to make the stop time in the intermittent drive be the rotation period of thespiral brush 21 or greater without increasing the stop time. Thus, it is possible to suppress a decrease of the recording speed due to the increase of the stop time. - In the method for cleaning the transport belt 3 of a thirteenth aspect according to any one of the tenth to twelfth aspects, a recording apparatus 1 includes a
recording section 8 capable of ejecting the ink onto the recording medium M transported by the transport belt 3, the stop time is adjusted or the rotation speed of thespiral brush 21 is adjusted according to the type of the ink, and the stop time in the intermittent drive is selected to be the rotation period of the spiral brush or greater. - According to the aspect, the stop time or the rotation speed of the
spiral brush 21 is adjusted according to the type of the ink and the stop time in the intermittent drive is selected to be the rotation period of the spiral brush or greater. Thus, it is possible to suppress a generation of the foams due to the increase of the rotation speed of thespiral brush 21 and the decrease of the recording speed due to the increase of the stop time while taking the balance according to the type of the ink. - In the recording apparatus according to the above embodiments, the
spiral brush 21 is described in a form of being rotated in the direction R, but is not limited to the embodiments, and the transport belt 3 may perform the transport while switching the rotation in the direction R and the reverse rotation thereof, a switching timing may be a timing of movement of the intermittent drive, and may be every predetermined time. - If such switching of the rotation direction of the
spiral brush 21 is performed, for example, in the case of the first embodiment described above, thefoam recovery sections 25 may be provided in bothend portions liquid tank 22 or an effect of a decrease in the foams generated in the cleaningliquid tank 22 by switching the rotation direction. - The foregoing description has been given by way of example only and it will be appreciated by a person skilled in the art that modifications can be made without departing from the scope of the present invention.
Claims (13)
- A recording apparatus (1) comprising:a transport belt (3) configured to transport a recording medium (M); anda cleaning section (11) configured to clean the transport belt,wherein the cleaning section has a spiral brush (21) in which a hairlike contact section (23) is spirally provided with respect to a rotation shaft (24).
- The recording apparatus according to Claim 1, further comprising:a control section (14) configured to control the transport belt and drive of the spiral brush,wherein the control section is capable of controlling the transport belt to be intermittently driven and capable of controlling a stop time such that the stop time in the intermittent drive is a rotation period of the spiral brush or greater.
- The recording apparatus according to Claim 2,
wherein the control section is capable of controlling the stop time. - The recording apparatus according to Claim 2 or Claim 3,
wherein the control section is capable of controlling a rotation speed of the spiral brush. - The recording apparatus according to any one of claims 2 to 4, further comprising:a recording section (8) that is capable of ejecting ink onto the recording medium transported by the transport belt,wherein the control section is capable of selecting control of the stop time and control of the rotation speed of the spiral brush according to a type of the ink.
- The recording apparatus according to any one of the preceding claims,
wherein an angle θ of the spiral formed by the contact section is 45 degrees or greater and less than 90 degrees with respect to the rotation shaft. - The recording apparatus according to any one of the preceding claims,
wherein the spiral brush is configured such that a width (L1) of the contact section is less than two times an interval (L2) between the contact sections. - The recording apparatus according to any one of the preceding claims,
wherein a foam recovery section (25) configured to recover foams generated in the contact section is provided at one end portion of the rotation shaft,
wherein the spiral brush is configured such that the contact section is wound around the rotation shaft from one end portion (26) to the other end portion (27) in a first direction, and
the foams rotate in a moving direction from the other end portion to one end portion. - The recording apparatus according to any one of Claims 1 to 7,
wherein a foam recovery section (25) configured to recover foams generated in the contact section is provided in both end portions of the rotation shaft,
wherein the spiral brush is configured such that the contact section is wound from one end portion (26) of the rotation shaft to a first point (28) of the rotation shaft in a first direction, and the contact section is wound from the first point of the rotation shaft (28) to the other end portion (27) of the rotation shaft in a second direction reverse to the first direction, and
the foams rotate in a moving direction from the first point to both end portions of the rotation shaft. - A method for cleaning a transport belt (3) in a recording apparatus (1) including a transport belt that transports a recording medium (M), and
a cleaning section (11) of the transport belt in which a hairlike contact section (23) has a spiral brush spirally provided with respect to a rotation shaft (24), the method comprising:intermittently driving the transport belt and making a stop time in the intermittent drive be a rotation period of the spiral brush or greater. - The method for cleaning a transport belt according to Claim 10,
wherein the stop time is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater. - The method for cleaning a transport belt according to Claim 10 or Claim 11,
wherein a rotation speed of the spiral brush is adjusted and the stop time in the intermittent drive is the rotation period of the spiral brush or greater. - The method for cleaning a transport belt according to any one of Claims 10 to 12,
wherein the recording apparatus includes a recording section that is capable of ejecting ink onto the recording medium transported by the transport belt, and
wherein the stop time is adjusted or the rotation speed of the spiral brush is adjusted depending on a type of ink, and the stop time in the intermittent drive is the rotation period of the spiral brush or greater.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014059815A JP6277809B2 (en) | 2014-03-24 | 2014-03-24 | Recording apparatus and conveying belt cleaning method |
Publications (2)
Publication Number | Publication Date |
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EP2923849A1 true EP2923849A1 (en) | 2015-09-30 |
EP2923849B1 EP2923849B1 (en) | 2018-04-25 |
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ID=52692509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15159609.5A Active EP2923849B1 (en) | 2014-03-24 | 2015-03-18 | Recording apparatus and method for cleaning transport belt |
Country Status (3)
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EP (1) | EP2923849B1 (en) |
JP (1) | JP6277809B2 (en) |
TR (1) | TR201809289T4 (en) |
Cited By (3)
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EP3199363A1 (en) * | 2016-01-29 | 2017-08-02 | Seiko Epson Corporation | Printing apparatus |
CN110621508A (en) * | 2017-05-18 | 2019-12-27 | 爱克发有限公司 | Cleaning station for removing residues from an adhesive planarization layer |
EP4253070A1 (en) * | 2022-03-28 | 2023-10-04 | Seiko Epson Corporation | Liquid ejecting device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7192638B2 (en) * | 2019-04-23 | 2022-12-20 | コニカミノルタ株式会社 | Ink ejection head maintenance device, inkjet recording device, and ink ejection head maintenance method |
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JPH11192694A (en) | 1997-12-29 | 1999-07-21 | Canon Inc | Ink jet printer |
US20080107461A1 (en) * | 2006-11-06 | 2008-05-08 | Konica Minolta Holdings,Inc. | Inkjet recording apparatus |
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JP4811045B2 (en) * | 2005-04-25 | 2011-11-09 | コニカミノルタホールディングス株式会社 | Inkjet recording device |
JP2006306512A (en) * | 2005-04-26 | 2006-11-09 | Konica Minolta Business Technologies Inc | Image forming device |
-
2014
- 2014-03-24 JP JP2014059815A patent/JP6277809B2/en active Active
-
2015
- 2015-03-18 EP EP15159609.5A patent/EP2923849B1/en active Active
- 2015-03-18 TR TR2018/09289T patent/TR201809289T4/en unknown
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JPH11192694A (en) | 1997-12-29 | 1999-07-21 | Canon Inc | Ink jet printer |
US20080107461A1 (en) * | 2006-11-06 | 2008-05-08 | Konica Minolta Holdings,Inc. | Inkjet recording apparatus |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3199363A1 (en) * | 2016-01-29 | 2017-08-02 | Seiko Epson Corporation | Printing apparatus |
US20170217193A1 (en) * | 2016-01-29 | 2017-08-03 | Seiko Epson Corporation | Printing apparatus |
CN107031215A (en) * | 2016-01-29 | 2017-08-11 | 精工爱普生株式会社 | Printing equipment |
EP3260300A1 (en) * | 2016-01-29 | 2017-12-27 | Seiko Epson Corporation | Printing apparatus |
US9962942B2 (en) * | 2016-01-29 | 2018-05-08 | Seiko Epson Corporation | Printing apparatus |
CN110621508A (en) * | 2017-05-18 | 2019-12-27 | 爱克发有限公司 | Cleaning station for removing residues from an adhesive planarization layer |
EP4253070A1 (en) * | 2022-03-28 | 2023-10-04 | Seiko Epson Corporation | Liquid ejecting device |
Also Published As
Publication number | Publication date |
---|---|
JP6277809B2 (en) | 2018-02-14 |
EP2923849B1 (en) | 2018-04-25 |
JP2015182849A (en) | 2015-10-22 |
TR201809289T4 (en) | 2018-07-23 |
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