WO2017169527A1 - Dispositif d'enregistrement à jet d'encre et procédé de commande d'enregistrement pour dispositif d'enregistrement à jet d'encre - Google Patents

Dispositif d'enregistrement à jet d'encre et procédé de commande d'enregistrement pour dispositif d'enregistrement à jet d'encre Download PDF

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Publication number
WO2017169527A1
WO2017169527A1 PCT/JP2017/008672 JP2017008672W WO2017169527A1 WO 2017169527 A1 WO2017169527 A1 WO 2017169527A1 JP 2017008672 W JP2017008672 W JP 2017008672W WO 2017169527 A1 WO2017169527 A1 WO 2017169527A1
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WO
WIPO (PCT)
Prior art keywords
recording
transport
recording medium
conveyance
unit
Prior art date
Application number
PCT/JP2017/008672
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English (en)
Japanese (ja)
Inventor
直也 駒田
暢彦 小山
Original Assignee
コニカミノルタ株式会社
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.)
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Publication date
Application filed by コニカミノルタ株式会社 filed Critical コニカミノルタ株式会社
Priority to CN201780019811.8A priority Critical patent/CN108883633B/zh
Priority to JP2018508862A priority patent/JP6753463B2/ja
Publication of WO2017169527A1 publication Critical patent/WO2017169527A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • 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
    • B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering

Definitions

  • the present invention relates to an ink jet recording apparatus and a recording control method for the ink jet recording apparatus.
  • an ink jet recording apparatus that records an image or the like by ejecting ink from nozzles and landing the ejected ink on a recording medium.
  • An ink jet recording apparatus can perform recording operations on recording media of various thicknesses and materials.
  • ink is ejected at various locations on the surface of the recording medium by ejecting ink while relatively moving the recording head provided with the nozzle and the recording medium by the conveying means.
  • a pulling member that moves the recording head and a mounting member that moves the recording medium belts made of various materials such as resins are often used.
  • ink is ejected from the fixed recording head.
  • an ink jet recording apparatus that transports a recording medium in the transport direction can perform a recording operation at high speed.
  • An object of the present invention is to provide an ink jet recording apparatus and a recording control method for the ink jet recording apparatus that can maintain the quality of recording operation more stably.
  • a transport unit that performs a transport operation of transporting the recording medium by moving a transport member on which the recording medium is placed in a predetermined transport direction;
  • Recording means for performing a recording operation for applying ink to a recording medium to be conveyed;
  • Control means for starting the recording operation at a timing when An ink jet recording apparatus comprising:
  • Storage means for storing the predetermined distance is provided.
  • the invention according to claim 3 is the ink jet recording apparatus according to claim 1 or 2, Comprising position acquisition means for acquiring position information of a recording medium to be conveyed;
  • the control means includes When the recording operation to the recording medium by the recording unit and the conveyance operation of the recording medium by the conveying unit are interrupted, the information about the content interruption position of the recording target data related to the recording operation is acquired and the position acquisition is performed Obtaining information on the recording interruption position on the recording medium by means, After the interruption, when the recording operation and the conveyance operation are resumed, the recording interruption is performed from the conveyance resumption position on the upstream side of the predetermined distance in the conveyance direction with respect to the recording position where the recording unit applies ink to the recording medium.
  • the conveyance operation of the recording medium in the conveyance direction is started so that the position starts to move, and the recording operation to the recording medium is started from the content interruption position at a timing when the recording medium is conveyed by the predetermined distance. It is characterized by that.
  • the control unit moves the recording interruption position to the conveyance resumption position by the conveyance unit based on the acquired position information.
  • the conveyance operation of the recording medium in the conveyance direction is started.
  • the conveying means is characterized in that the recording interruption position is moved to the conveyance resuming position by moving the conveying member on which the recording medium is placed in a direction opposite to the conveying direction.
  • the transport resumption position is set with respect to the recording position according to attenuation of expansion and contraction vibration in the transport direction generated in the transport member in accordance with a change in acceleration of the transport member in the transport direction at the start of the transport operation.
  • the predetermined distance is determined within a set reference distance range, and the predetermined distance is determined as a distance from the determined transport resumption position to the recording position.
  • the invention according to claim 7 is the ink jet recording apparatus according to any one of claims 3 to 6,
  • the control unit causes the transport unit to perform an operation related to the stop of the transport operation after the recording operation is stopped.
  • the invention according to claim 8 is the ink jet recording apparatus according to any one of claims 3 to 7,
  • the control means is characterized in that the transport speed of the recording medium is increased at a constant acceleration when the transport operation is resumed.
  • the invention according to claim 9 is the ink jet recording apparatus according to any one of claims 3 to 8, Comprising an operation receiving means for receiving a command operation related to the resumption of the recording operation and the transport operation;
  • the control means restarts the transport operation by the transport means and the recording operation by the recording means when the command operation is accepted after the recording operation and the transport operation are stopped.
  • the invention according to claim 10 is the ink jet recording apparatus according to any one of claims 1 to 9,
  • the conveying member is an endless belt material spanned between a plurality of rotating members,
  • the conveying means is characterized in that the conveying member is moved by rotating one of the plurality of rotating members.
  • the invention according to claim 11 is the ink jet recording apparatus according to any one of claims 1 to 10,
  • the predetermined distance is characterized by being shorter than a moving distance in a period of accelerating the transport member at the start of the transport operation.
  • the invention according to claim 12 is the ink jet recording apparatus according to any one of claims 1 to 11,
  • the control means adjusts the ink ejection timing by the recording means during a period of accelerating / decelerating the conveying member according to the speed of the conveying member.
  • a transport unit that performs a transport operation of transporting the recording medium by moving a transport member on which the recording medium is placed in a predetermined transport direction; a recording unit that performs a recording operation of applying ink to the transported recording medium;
  • a recording control method for an inkjet recording apparatus comprising: After starting the transport operation by the transport means, transport for a predetermined distance according to the attenuation of the expansion and contraction vibration generated in the transport member with a change in acceleration in the transport direction of the transport member at the start of the transport operation A control step of starting the recording operation at a timing when It is characterized by including.
  • FIG. 1 is an overall perspective view illustrating an inkjet recording apparatus according to an embodiment of the present invention. It is a figure which shows typically the surface facing the conveyance surface of a head unit. It is a block diagram which shows the function structure of an inkjet recording device. It is a figure explaining the movement state and movement operation
  • movement of a recording medium at the time of image recording resumption. 6 is a flowchart showing a control procedure of image recording control processing in the ink jet recording apparatus. It is a flowchart which shows the control procedure of the interruption process called by an image recording control process.
  • FIG. 1 is an overall perspective view showing an ink jet recording apparatus 1 according to an embodiment of the present invention.
  • the inkjet recording apparatus 1 includes a transport unit 10 (transport unit), an image recording unit 20 (recording unit), a medium detection unit 30, a control unit 40 (control unit), and the like.
  • the conveyance unit 10 includes a drive roller 11, a conveyance belt 12 (conveyance member, belt material), a driven roller 13, a conveyance motor 14, an encoder 15 (position acquisition means), a pressing roller 16, a peeling roller 17, and the like.
  • the endless transport belt 12 is stretched between the drive roller 11 and the driven roller 13 (both are collectively a plurality of rotating members), and moves around as the drive roller 11 rotates by driving the transport motor 14. .
  • a transport operation for moving the recording medium P placed on the transport surface in the transport direction by moving the outer peripheral surface of the transport belt 12 relative to the image recording unit 20 in a predetermined transport direction using the transport surface as the transport surface.
  • the transport belt 12 is made of a material that flexibly bends at the contact surface with the driving roller 11 and the driven roller 13 and reliably supports the recording medium P.
  • a belt made of resin such as rubber examples include steel belts. Since the conveyance belt 12 has a material and / or a configuration on which the recording medium P is adsorbed, the recording medium P can be more stably placed on the conveyance belt 12. In this case, a configuration for separating the recording medium P from the conveyance belt 12 on the downstream side in the conveyance direction from the image recording unit 20 may be further provided.
  • the driven roller 13 rotates as the transport belt 12 moves.
  • the recording medium P is not particularly limited, but here, a continuous cloth or the like in the transport direction is used, and a plurality of images recorded at appropriate intervals on the recording medium P are displayed by a post-processing device (not shown). It is dried and rolled up or shaken off and / or cut each.
  • the transport motor 14 rotates the drive roller 11 at a rotation speed according to a control signal from the control unit 40.
  • the transport motor 14 can also rotate the drive roller 11 in the reverse direction to the normal transport direction.
  • the transport belt 12 transports the recording medium P at a transport speed corresponding to the rotational speed of the drive roller 11.
  • the encoder 15 is a rotary encoder, and detects the amount of rotation of the driving roller 11 to measure the amount of movement and the position (conveying position) of the recording medium P on the conveying surface.
  • the encoder 15 may measure the rotation amount of the driven roller, or may directly measure the movement amount of the conveyor belt 12.
  • the encoder 15 may detect the rotational operation amount of the transport motor 14.
  • the pressing roller 16 removes floating from the mounting surface such as wrinkles by pressing the recording medium P supplied to the mounting surface of the conveyor belt 12 against the mounting surface.
  • the peeling roller 17 pulls the recording medium P that has been conveyed while being adsorbed to the conveying belt 12 with a predetermined pressure, thereby peeling the recording medium P from the conveying surface and sending it to the post-processing device.
  • the medium detection unit 30 detects the surface of the recording medium P before being transported to a position facing the head unit 21 after being placed on the transport belt 12, and mounting abnormalities such as floating of the recording medium or on the recording medium P are detected. Detecting garbage etc.
  • the medium detection unit 30 moves the recording medium P before the detection point of the abnormality reaches a position facing the head unit 21. It is preferable that the head unit 21 is provided upstream from the head unit 21 by a distance that can be stopped.
  • the head unit 21 at the abnormal portion of the recording medium P is interposed between the medium detection unit 30 and the head unit 21.
  • An anti-collision mechanism may be provided.
  • the control unit 40 performs overall control of the operation of each unit of the inkjet recording apparatus 1.
  • the image recording unit 20 performs a recording operation of recording (forming) an image by ejecting ink from nozzles and landing (applying) the ink on the upper surface of the recording medium P (the surface opposite to the side in contact with the conveying surface).
  • the image recording unit 20 includes a plurality of head units 21, and here, four head units 21Y, 21M, 21C, and 21K are illustrated, but the present invention is not limited thereto. From these head units 21, inks of different colors supplied from an ink storage unit (not shown), for example, yellow, magenta, cyan, and black inks are ejected.
  • nozzles are provided over the recordable width of the recording medium P having a predetermined size (the above-mentioned maximum width size) in the width direction within a plane parallel to the transport surface, and ink can be ejected. Yes.
  • FIG. 2 is a diagram schematically showing a surface (nozzle surface) facing the transport surface of the head unit 21K. Since the head units 21C, 21M, and 21Y have the same configuration, description thereof will be omitted.
  • the head unit 21K includes a plurality of discharge heads 211 (here, 16 nozzles) in which nozzle openings are arranged at a predetermined interval (nozzle interval) on the bottom surface, for example, about 141 ⁇ m intervals corresponding to 360 dpi (dots per inch). Pieces).
  • the two ejection heads 211 form a set, and the nozzle openings of the ejection heads 211 are alternately arranged in the width direction, so that image recording with a recording resolution of 720 dpi (nozzle interval is about 70.5 ⁇ m) is performed. It is possible.
  • a line head is formed in which nozzle openings are arranged over the above-mentioned recordable width at uniform intervals in the width direction. That is, the head unit 21K is fixed during the image recording operation, and sequentially discharges ink at predetermined intervals (intervals in the conveyance direction) to different positions in the conveyance direction in accordance with the conveyance of the recording medium P. Record an image with.
  • the interval in the conveyance direction that is, the recording resolution in the conveyance direction is determined by the ejection frequency from the nozzles and the conveyance speed, but may be equal to or different from the above-described 720 dpi.
  • FIG. 3 is a block diagram showing a functional configuration of the inkjet recording apparatus 1 of the present embodiment.
  • the inkjet recording apparatus 1 includes a control unit 40, a conveyance motor 14 and an encoder 15 of the conveyance unit 10, a head drive unit 22 of the image recording unit 20, a sensor 31 of the medium detection unit 30, a communication unit 50, and a storage.
  • a unit 60 storage means
  • an operation display unit 70 a bus 80, and the like are provided.
  • the control unit 40 performs a control operation for overall control of the entire operation of the inkjet recording apparatus 1.
  • the control unit 40 includes a CPU 41 (Central Processing Unit), a ROM 42 (Read Only Memory), a RAM 43 (Random Access Memory), and the like.
  • the CPU 41 performs various arithmetic processes and executes processes related to various controls.
  • the ROM 42 stores and saves control programs related to various controls. As the ROM 42, a mask ROM or a readable / writable nonvolatile memory is used.
  • the RAM 43 provides a working memory space to the CPU 41 and stores temporary data and various settings.
  • various volatile memories such as SRAM and DRAM are used.
  • the transport motor 14 rotates the drive roller 11 in accordance with a control signal from the control unit 40 to move the transport belt 12 around.
  • the rotation speed of the transport motor 14 may be changeable according to the image quality required for the recorded image. Further, when stopping the conveyance belt 12 or resuming the movement, the movement speed of the conveyance belt 12 can be accelerated / decelerated according to a predetermined speed profile. Further, the transport motor 14 can reversely feed the recording medium P in the direction opposite to the transport direction. The reverse feed speed may be slower than the normal transport speed. Further, the transport motor 14 may include one that rotates and moves the pressing roller 16 and the peeling roller 17.
  • the encoder 15 measures the conveyance speed and position of the recording medium P by detecting the rotation amount of the driving roller 11 at predetermined time intervals.
  • the measurement data of the encoder 15 is processed by the control unit 40 and fed back to the adjustment of the operation speed of the transport motor 14 and the ink discharge timing of each head unit 21 of the image recording unit 20 as a control signal. Further, when the image recording is interrupted in the middle, it is also used for obtaining the position of the recording medium P at the interrupted timing and adjusting to the set position when the image recording is resumed thereafter.
  • the encoder 15 can obtain the recording medium P by subtracting the position of the recording medium P according to the reverse feeding.
  • the head drive unit 22 outputs a drive signal for operating the ink discharge mechanism in the discharge head 211 of each head unit 21, and discharges ink from the opening of the target nozzle at an appropriate timing. These drive signals are output in parallel to each head unit 21 (discharge head 211). The drive signal is output in synchronization with an encoder (not shown) that measures the conveyance speed (position) of the recording medium P by the conveyance unit 10.
  • an ink discharge mechanism for example, a voltage is applied to a piezoelectric element provided along an ink flow path communicating with a nozzle to deform the piezoelectric element, and pressure is applied to the ink in the ink flow path with a predetermined pressure pattern.
  • a piezo type that discharges ink or generates heat by passing current through a heating wire, heats the ink in the ink flow path, and vaporizes a part of the ink to cause volume change and discharge by applying pressure to the ink
  • a thermal type is used.
  • the sensor 31 detects floating of the recording medium P, dust on the recording medium P, and the like.
  • the sensor 31 for example, an emission unit that emits laser light in the width direction at a predetermined height from the conveyance surface, and the laser light is detected on the opposite side of the conveyance surface in the width direction, so that floating portions, dust, etc.
  • a line sensor that detects a color unevenness on the surface of the recording medium P due to dust or a shadow of a floating part by using an image of the upper surface of the recording medium P. .
  • the communication unit 50 acquires image data to be recorded and a print job from an external computer terminal or a print server, and outputs a status signal related to image recording.
  • the storage unit 60 stores recording target image data (recording target data) acquired through the communication unit 50, processing data thereof, and the like.
  • the storage unit 60 also stores vibration convergence information 61 such as a distance and time necessary for converging the expansion and contraction vibration of the conveyor belt 12 generated when the conveyor belt 12 of the conveyor unit 10 starts to move.
  • the storage unit 60 may store various execution programs related to image recording and adjustment inspection, and the CPU 41 reads out and loads them into the RAM 43 when the execution programs are executed.
  • an HDD (Hard Disk Drive) or a flash memory is used, and a RAM or the like may be used in combination.
  • the operation display unit 70 includes a display unit 71 that displays a user input operation reception screen and status information, an operation reception unit 72 (operation reception unit) that receives a user input operation and outputs an operation signal to the control unit 40.
  • the operation display unit 70 includes, for example, a liquid crystal screen provided with a touch sensor and its driver.
  • the display part 71 the display screen which concerns on other display systems, such as an organic EL display, may be used, and the LED lamp for status display etc. may be used together.
  • a push button switch, a rotation switch, or the like may be provided instead of or in addition to the touch panel.
  • the bus 80 is a transmission path for transmitting and receiving signals between the control unit 40 and other components.
  • 4A and 4B are diagrams for explaining the movement state and movement operation of the recording medium when image recording is resumed.
  • a plurality of images can be continuously recorded in adjacent areas on the recording medium P continuous in the transport direction or a plurality of recording media P.
  • the image recording operation is interrupted and the conveyance of the recording medium P is stopped.
  • the recording medium P is slightly reversed by rotating the transport motor 14 or the like in reverse.
  • the position where the recording of the image is interrupted after the recording is moved to the upstream side of the recording position x1 (positions x3 to x4 between timings t32 to t41), and the conveyance is resumed in the normal conveyance direction (t42).
  • Image recording is resumed from the timing when (recording interruption position xp1) coincides with the landing position (recording position x1) of the ink ejected by the head unit 21.
  • the acceleration is stepped as shown here.
  • the movement of the conveyor belt 12 is stopped (decrease in speed) or restarted (increase in speed) at a constant acceleration, a large change in acceleration occurs at the position of the step (timing t42, t51).
  • a force for causing the conveyor belt 12 to follow the change in the rotation speed of the drive roller 11 is locally applied to the contact portion between the conveyor belt 12 and the drive roller 11.
  • This damped vibration is a primary and / or higher-order vibration having both contact points of the driving roller 11 and the driven roller 13 as fixed ends.
  • a deviation occurs between the conveyance amount obtained by the encoder 15 and a local position on the conveyance belt 12, and this deviation amount differs for each position on the conveyance belt 12.
  • the large value that cannot be ignored here depends on the image quality accuracy required for the image, but is generally a predetermined ratio (for example, 5% to 50%) with respect to the image resolution in the conveyance direction, that is, the interval in the conveyance direction. %)) Or more.
  • the distance d1 is smaller than the moving distance during the acceleration period (timing t42 to t51), that is, the acceleration is not zero when the image recording is resumed and the conveyance speed is changing.
  • ink discharge is performed in accordance with the measurement value of the encoder 15 (the rotational speed of the drive roller 11, that is, the speed of movement of the transport belt 12) so that the transport direction interval is constant. Adjust the timing sequentially.
  • the image recording is reliably interrupted before and after the image recording is interrupted while the image recording is not performed until the damping vibration related to the expansion and contraction of the transport belt 12 is sufficiently reduced. Adjustment is performed so that the position xp1 / recording resume position is matched.
  • the recording medium P When resuming the image recording operation, the recording medium P is once sent back to a position where the recording interruption position xp1 overlaps with the conveyance resumption position x4 along the conveyance direction.
  • the transport resumption position x4 is set upstream of the recording position x1 by a distance d1 (predetermined distance) in the transport direction. Then, when conveyance of the recording medium P in the conveyance direction is resumed from this state and the recording interruption position xp1 reaches the recording position x1, image recording for the next row of the pixel row formed as the recording interruption position xp1 is started. Resumed.
  • the recording operation is interrupted all at once when there are a plurality of head units 21 as in the ink jet recording apparatus 1 of the present embodiment or when there are a plurality of nozzle arrays on the nozzle surface of the head unit 21 in the transport direction.
  • the positions at which image recording is resumed for each color and each nozzle row are also different.
  • the distance d1 set at this time is such that the amplitude of the damped vibration in the conveyance direction of the conveyance belt 12 can maintain the image quality as compared with the interval in the conveyance direction of the recording pixels by the head unit 21.
  • a small value that is, a distance necessary to attenuate to less than a predetermined ratio with respect to the conveyance direction interval. Therefore, the distance d1 is an amplitude attenuation rate (attenuation, which depends on the material of the conveyance belt 12, the distance between the driving roller 11 and the driven roller 13, the speed change pattern of the driving roller 11 when the conveyance operation is resumed, and the like. It depends on the attenuation characteristics.
  • each distance d1 may be set according to the plurality of settings, or the maximum distance among them may be set as a single distance d1.
  • the distance d1 can be set to a distance obtained by adding a predetermined offset value to the above-mentioned shortest distance necessary for maintaining image quality, or a distance obtained by multiplying the shortest distance by a predetermined number.
  • a reference distance range dm having a minimum value as the distance d1 is set as the distance d1 that can be set.
  • FIG. 5 is a flowchart illustrating a control procedure by the control unit 40 of the image recording control process in the inkjet recording apparatus 1 of the present embodiment. This image recording control process is started when a print job transmitted from an external server or terminal device is received.
  • control unit 40 When the image recording control process is started, the control unit 40 (CPU 41) performs an initial operation (step S101). Examples of the initial operation include detection of the remaining amount of ink, confirmation of setting of the recording medium, and confirmation of operation of the transport motor 14.
  • the control unit 40 analyzes the acquired print job and performs various initial settings, and adjusts the acquired image data to be recorded as necessary (step S102).
  • the control unit 40 starts the operation of the transport motor 14 and starts the operation of the medium detection unit 30 (step S103). Then, the control unit 40 causes the image recording unit 20 to start an image recording operation (step S104). The control unit 40 determines whether or not the detection of the recording medium P is normal by the medium detection unit 30 (step S105). If it is determined that there is an abnormality ("NO" in step S105), the control unit 40 is interrupted. The process is called and executed (step S108).
  • control unit 40 determines whether or not the image recording operation has been resumed (step S109). If it is determined that the image recording operation has been resumed ("YES” in step S109), the process proceeds to step S105. return. If it is determined that the restart has not been performed (“NO” in step S109), the control unit 40 ends the image recording control process.
  • step S105 If it is determined in the determination process in step S105 that there is no abnormality in the detection of the recording medium P (“YES” in step S105), the control unit 40 finishes recording all the images set in the print job. It is discriminate
  • control unit 40 performs various processes related to the end of image recording (step S107).
  • the control unit 40 stops the conveyance motor 14 and performs a notification operation that the image recording is completed.
  • the control unit 40 deletes the settings relating to the print job and the image data to be recorded stored in the storage unit 60. Then, the control unit 40 ends the image recording control process.
  • FIG. 6 is a flowchart showing a control procedure of interruption processing called up in the image recording control processing.
  • the control unit 40 interrupts the image recording operation by the image recording unit 20, and the movement amount from the recording position x1 of the interruption position (recording interruption position xp1) measured by the encoder 15 and the recording target are recorded.
  • the interruption position (content interruption position) in the image data (recording target data) is stored (step S181).
  • the control unit 40 stops the conveyance motor 14 and interrupts the conveyance (step S182).
  • the control unit 40 appropriately maintains the suction state of the recording medium on the conveyance belt 12 and adjusts the operation of the peeling roller 17 so that the position of the recorded part of the image of the recording medium does not shift. You may adjust.
  • the control unit 40 refers to the storage unit 60, acquires the rewind reference amount corresponding to the distance necessary for the expansion and contraction of the transport belt 12 when transport is resumed, and is before the rewind reference amount from the recording position x1.
  • the position between the recording interruption position xp1 and the conveyance resumption position x4 is calculated with the position (upstream in the conveyance direction) as the conveyance resumption position x4 (step S183).
  • the control unit 40 determines whether or not an image recording operation restart command has been acquired (step S184). This image recording operation restart command is acquired in response to a predetermined input operation (command operation) to the operation display unit 70 by the user. When it is determined that the image recording operation restart command has not been acquired (“NO” in step S184), the control unit 40 determines whether an image recording operation stop command has been acquired (step S185). This image recording operation stop command is acquired in response to a predetermined input operation to the operation display unit 70 by the user, similarly to the image recording restart command. If it is determined that the image recording operation stop command has not been acquired (“NO” in step S185), the process of the control unit 40 returns to step S184. If it is determined that the image recording operation stop command has been acquired (“YES” in step S185), the control unit 40 ends the interruption process and returns the process to the image recording control process.
  • the control unit 40 When it is determined that the image recording operation restart command has been acquired (“YES” in step S184), the control unit 40 operates the transport motor 14 until the recording interruption position xp1 reaches the transport restart position x4. That is, the recording medium P is reversely fed until the distance between the recording interruption position xp1 where the movement amount measured by the encoder 15 is calculated and the conveyance resumption position x4 is reached (step S186). At this time, if the recording interruption position xp1 is within the reference distance range dm further upstream than the conveyance resuming position x4, it is not necessary to exactly match the conveyance resuming position x4.
  • control unit 40 extends (adds) the distance d1 by a distance that exceeds the transport resumption position x4.
  • the control unit 40 restarts the transport motor 14 to restart the movement of the recording medium P in the transport direction, and restarts the operation of the medium detection unit 30 (step S187).
  • the control unit 40 resumes the image recording operation at the timing when the recording interruption position xp1 of the recording medium P reaches (overlaps) the recording position x1, that is, the timing at which the movement amount measured by the encoder 15 becomes the distance d1.
  • the operation of the image recording unit 20 is controlled (step S188; control step). Then, the control unit 40 ends the interruption process and returns the process to the image recording control process.
  • the inkjet recording apparatus 1 includes the transport unit 10 that performs the transport operation of transporting the recording medium P by moving the transport belt 12 on which the recording medium P is placed in a predetermined transport direction.
  • the image recording unit 20 that performs a recording operation for applying ink to the recording medium to be transported, and the acceleration change in the transport direction of the transport belt 12 at the start of the transport operation after the transport operation by the transport unit 10 is started.
  • a control unit 40 that starts a recording operation at a timing at which a predetermined distance d1 is conveyed according to the attenuation of the expansion and contraction vibration generated in the conveyance belt 12 is provided.
  • the image recording operation is started after the expansion and contraction of the conveyor belt 12 caused by the operation deviation between the driving roller 11 and the driven roller 13 at the start of the operation of the conveyor belt 12 is sufficiently attenuated. It is possible to suppress deterioration in image quality due to the influence of local positional deviation due to expansion and contraction, and to maintain the quality of recording operation more stably.
  • the ink jet recording apparatus 1 includes a storage unit 60 that stores a predetermined distance d1 as vibration convergence information 61. Therefore, when the transport operation is started, the distance d1 is read, and the image recording operation may be started at the timing when the transport operation is performed by the distance d1, so that the quality of the recording operation can be maintained with easy processing. I can do it.
  • the inkjet recording apparatus 1 includes an encoder 15 for acquiring position information of the recording medium P to be transported, and the control unit 40 performs recording operation on the recording medium P by the image recording unit 20 and recording by the transport unit 10.
  • the control unit 40 performs recording operation on the recording medium P by the image recording unit 20 and recording by the transport unit 10.
  • information related to the content interruption position of the recording target data related to the recording operation is acquired and information related to the recording interruption position xp1 on the recording medium P is acquired using the encoder 15.
  • the recording operation and the transport operation are resumed after the interruption of the recording operation and the transport operation, the transport on the upstream side of the distance d1 in the transport direction from the recording position x1 where the ink is applied to the recording medium P by the image recording unit 20.
  • the conveyance operation in the conveyance direction of the recording medium P is started so that the recording interruption position xp1 on the recording medium P starts to move from the resume position x4.
  • Distance d1 recording operation to conveyed are recorded at a timing medium P to be started from the content interrupted position.
  • the expansion / contraction vibration of the transport belt 12 is sufficiently attenuated at the timing when the recording interruption position xp1 coincides with the recording position x1.
  • control unit 40 performs the recording interruption position xp1 by the conveyance unit 10 based on the position information acquired using the encoder 15. Since the transport operation in the transport direction of the recording medium P is started after being moved to the transport restart position x4, a stable image can be easily recorded on the recording medium P without greatly increasing the user's labor.
  • the transport unit 10 moves the recording belt P on which the recording medium P is placed in the direction opposite to the transport direction to move the recording interruption position xp1 to the transport resume position x4.
  • the conveyance belt 12 of the conveyance unit 10 can be driven in the direction opposite to the normal direction, so that the conveyance belt 12 can be easily moved to the conveyance resumption position x4.
  • the position of a long continuous paper or fabric cannot be moved around the normal movement direction of the conveyor belt 12, so that it can be automatically moved in the reverse drive direction instead of manually. It becomes possible to reduce the trouble of the user.
  • the conveyance resumption position x4 is relative to the recording position x1 in accordance with the attenuation of the expansion and contraction vibration in the conveyance direction generated in the conveyance belt 12 in accordance with the acceleration change in the conveyance direction of the conveyance belt 12 at the start of the conveyance operation.
  • the distance d1 is determined within the set reference distance range, and the distance d1 is determined as the distance from the determined transport resumption position x4 to the recording position x1.
  • the transport resumption position x4 is set within an appropriate range, and the resumption timing of the recording operation is determined according to the set distance between the transport resumption position x4 and the recording position x1.
  • the resumption timing of the recording operation is controlled based on the signal related to the measurement of the encoder 15 without the need to move the conveyance belt 12 so that the conveyance resumption position x4 and the recording interruption position xp1 coincide mechanically strictly. Therefore, it is possible to easily and accurately connect and record the image before the interruption and the image after the interruption on the recording medium P.
  • the control unit 40 causes the transport unit 10 to perform an operation related to the stop of the transport operation after stopping the recording operation.
  • the expansion and contraction vibration accompanying the acceleration change at the time of deceleration related to the stop of the transport operation is small compared to the expansion and contraction vibration accompanying the acceleration change at the start of the acceleration related to the start of the transport operation and large in the quality of the recorded image.
  • the image recording operation may be continued during the occurrence of the stretching vibration because it does not affect the recording. However, by stopping the recording operation before the stretching vibration occurs, the quality of the recorded image is more stably maintained. I can do it.
  • control unit 40 increases the conveyance speed of the recording medium P at a constant acceleration when the conveyance operation is resumed. That is, when the acceleration is changed stepwise, the above-described stretching vibration is likely to increase compared to the case where the acceleration is continuously changed.
  • the image recording operation is performed during a period when the stretching vibration is large. Therefore, the quality of the recorded image can be maintained while the conveyance operation is started easily and quickly by such a change in acceleration.
  • an operation receiving unit 72 that receives a command operation related to the resumption of the recording operation and the transport operation is provided, and the control unit 40 performs transport by the transport unit 10 when the command operation is received after the recording operation and the transport operation are stopped.
  • the operation and the recording operation by the image recording unit 20 are resumed.
  • the interruption of the image recording operation and the conveyance operation is often performed due to a mounting abnormality of the recording medium P, and usually, confirmation and handling of such a mounting abnormality is performed by the user.
  • the time required for handling is indefinite.
  • the image recording operation can be resumed easily and accurately at an appropriate timing to obtain a recorded image with maintained quality. Can be output.
  • the transport belt 12 is an endless belt material spanned between a plurality of rotating members (the driving roller 11 and the driven roller 13), and the transport unit 10 is one of the plurality of rotating members.
  • the conveyance belt 12 is moved by rotating the driving roller 11. In this way, in the configuration in which a deviation easily occurs between the driving roller 11 that rotates in response to the rotation control of the driving roller 11 and the driven roller 13 that rotates by the rotation operation transmitted through the conveyor belt 12, The stretching vibration of the conveyor belt 12 is likely to occur, and the present invention is more effective.
  • the distance d1 is shorter than the moving distance in the period in which the conveyor belt 12 is accelerated at the start of the conveying operation. Therefore, it is not necessary to postpone the start of the recording operation until the speed of the conveyor belt 12 becomes constant, and it is not necessary to determine a long distance d1. Therefore, it is possible to reduce the possibility of trouble occurring when the transport belt 12 is moved in the direction opposite to the transport direction.
  • control unit 40 adjusts the ink ejection timing by the head unit 21 of the image recording unit 20 during the period of acceleration / deceleration of the conveyance belt 12 according to the speed of the conveyance belt 12.
  • the recording control of the ink jet recording apparatus 1 by the above-described recording control method, it is possible to suppress the deterioration of the image quality due to the influence of the local misalignment due to the expansion and contraction of the conveying member, and to maintain the recording operation quality more stably I can do it.
  • the present invention is not limited to the above-described embodiment, and various modifications can be made.
  • the control in the case of achieving both the alignment and the maintenance of the image quality when the image recording is resumed after being interrupted has been described. It is not always necessary to record an image following the recording image before the interruption, and a new image may be recorded again, for example, immediately after the interruption (end) position of the previous image (without being connected to the previous image).
  • the operation at the start of image recording is also the same when starting image recording after positioning with respect to a recording medium that has already been recorded by another image forming apparatus or a recording medium that originally has a ground pattern. Therefore, it is possible to achieve both alignment and maintenance of image quality accurately.
  • the conveyance unit 10 does not need to reversely feed the recording medium P.
  • the transport start position (and the image recording start position) can be specified from the reference position of the recording medium P that can be detected on the upstream side of the head unit 21 in the transport direction
  • the transport start position is simply transported from the upstream side. After the temporary stop, the conveyance of the recording medium P may be started.
  • the image recording is automatically interrupted based on the detection result of the sensor 31.
  • the person in charge of the monitoring visually detects the abnormality by detecting the recording medium, and the operation receiving unit 72
  • the image recording operation may be manually interrupted by the input operation.
  • the user inputs a restart command to the operation accepting unit 72 of the operation display unit 70 when resuming after interrupting image recording.
  • the removal can be performed automatically, for example, when the pressing roller 16 for removing wrinkles can be automatically operated appropriately, the image recording may be resumed without requiring a user input operation. .
  • the CPU 41 calculates the transport restart position, and the transport unit 10 reversely feeds the recording medium P and moves it to the transport restart position.
  • the medium P may be reversely fed by an appropriate distance.
  • a sign indicating the range of the above-mentioned reference distance range dm is provided on the side of the conveyor belt 12 or at the opposite position, and the recording medium is used. It is possible to reversely feed the image recording interruption position on P so as to be within the range indicated by the sign.
  • the encoder 15 measures the manual reverse feed amount, and the restart position of the image recording operation is accurately determined according to the measured amount. In such a case, it is not necessary to store a numerical value in the storage unit 60 as the distance d1, but it is preferable to store the reference distance range dm.
  • the conveyance can be resumed by moving the recording medium P slightly less than one rotation according to the circumferential direction of the conveyance belt 12 instead of reverse feeding. It can be moved to a position.
  • a roller is not restricted to two. Further, the conveyance path of the recording medium P may be bent halfway by three or more rollers.
  • specific details such as the configuration, arrangement, control content, and procedure shown in the above embodiment can be changed as appropriate without departing from the spirit of the present invention.
  • the present invention can be used in an ink jet recording apparatus and a recording control method for an ink jet recording apparatus.

Landscapes

  • Ink Jet (AREA)
  • Handling Of Sheets (AREA)

Abstract

Cette invention concerne un dispositif d'enregistrement à jet d'encre et un procédé de commande d'enregistrement pour un dispositif d'enregistrement à jet d'encre grâce auxquels il est possible de maintenir de manière plus stable la qualité d'une opération d'enregistrement. Ledit dispositif d'enregistrement à jet d'encre comprend : une unité de transport qui effectue une opération de transport pour transporter un support d'enregistrement en déplaçant, dans une direction de transport prédéterminée, une courroie de transport sur laquelle est disposé le support d'enregistrement ; une unité d'enregistrement d'image qui effectue une opération d'enregistrement pour appliquer de l'encre sur le support d'enregistrement transporté ; et une unité de commande qui démarre l'opération d'enregistrement à un moment où le support d'enregistrement est transporté sur une distance prédéterminée à partir de l'instant où l'unité de transport a démarré l'opération de transport, ladite distance prédéterminée correspondant à l'atténuation des vibrations d'étirement qui se produisent dans la courroie de transport en association avec un changement d'accélération de la courroie de transport dans la direction de transport au moment du démarrage de l'opération de transport.
PCT/JP2017/008672 2016-03-28 2017-03-06 Dispositif d'enregistrement à jet d'encre et procédé de commande d'enregistrement pour dispositif d'enregistrement à jet d'encre WO2017169527A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780019811.8A CN108883633B (zh) 2016-03-28 2017-03-06 喷墨记录装置以及喷墨记录装置的记录控制方法
JP2018508862A JP6753463B2 (ja) 2016-03-28 2017-03-06 インクジェット記録装置及びインクジェット記録装置の記録制御方法

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JP2016-064241 2016-03-28
JP2016064241 2016-03-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4064026A1 (fr) * 2021-03-24 2022-09-28 SCREEN Holdings Co., Ltd. Imprimante et système d'impression
JP7413705B2 (ja) 2019-10-08 2024-01-16 セイコーエプソン株式会社 印刷装置、印刷装置の制御方法、及び、制御プログラム

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5533688A (en) * 1994-08-30 1996-07-09 Pace; William Roll rewinder apparatus
WO2003100152A1 (fr) * 2002-05-23 2003-12-04 Konica Minolta Holdings, Inc. Imprimante a jet d'encre pour impression sur textile et procede de production d'impression sur textile
JP2005186419A (ja) * 2003-12-25 2005-07-14 Konica Minolta Holdings Inc インクジェットプリント装置
JP2009137141A (ja) * 2007-12-06 2009-06-25 Seiko Epson Corp 両面画像形成装置
JP2010274483A (ja) * 2009-05-27 2010-12-09 Canon Inc 記録装置および記録媒体の搬送制御方法
JP2015044420A (ja) * 2014-12-08 2015-03-12 セイコーエプソン株式会社 記録装置の制御方法、及び記録装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3732876B2 (ja) * 1994-10-01 2006-01-11 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 枚葉紙整列装置
JP2000108444A (ja) * 1998-10-02 2000-04-18 Hitachi Koki Co Ltd 印字装置の往復移動制御方法
JP3997172B2 (ja) * 2002-04-26 2007-10-24 キヤノン株式会社 モータの制御装置、モータの制御方法、電子機器、記録装置およびモータドライバコントローラ
KR20080065106A (ko) * 2007-01-08 2008-07-11 삼성전자주식회사 화상 형성 장치
JP5825267B2 (ja) * 2013-01-21 2015-12-02 コニカミノルタ株式会社 画像処理装置およびモーターの回転制御方法
CN106536204B (zh) * 2014-07-18 2018-10-02 柯尼卡美能达株式会社 喷墨记录装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5533688A (en) * 1994-08-30 1996-07-09 Pace; William Roll rewinder apparatus
WO2003100152A1 (fr) * 2002-05-23 2003-12-04 Konica Minolta Holdings, Inc. Imprimante a jet d'encre pour impression sur textile et procede de production d'impression sur textile
JP2005186419A (ja) * 2003-12-25 2005-07-14 Konica Minolta Holdings Inc インクジェットプリント装置
JP2009137141A (ja) * 2007-12-06 2009-06-25 Seiko Epson Corp 両面画像形成装置
JP2010274483A (ja) * 2009-05-27 2010-12-09 Canon Inc 記録装置および記録媒体の搬送制御方法
JP2015044420A (ja) * 2014-12-08 2015-03-12 セイコーエプソン株式会社 記録装置の制御方法、及び記録装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7413705B2 (ja) 2019-10-08 2024-01-16 セイコーエプソン株式会社 印刷装置、印刷装置の制御方法、及び、制御プログラム
EP4064026A1 (fr) * 2021-03-24 2022-09-28 SCREEN Holdings Co., Ltd. Imprimante et système d'impression
US11809760B2 (en) 2021-03-24 2023-11-07 SCREEN Holdings Co., Ltd. Printing device and printing system

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JPWO2017169527A1 (ja) 2019-02-07
CN108883633A (zh) 2018-11-23
JP6753463B2 (ja) 2020-09-09

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