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Nozzle surface cleaning device and droplet discharge device

A technology for cleaning device and nozzle surface, applied in printing and other directions, can solve problems such as deterioration of image quality, difficult ink droplets, and fluctuations in the direction of ink droplet ejection, to achieve effective and efficient nozzle surface cleaning and improve cleaning quality.

Inactive Publication Date: 2016-03-30
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If impurities adhere to the nozzle surface, the ink droplets ejected from the nozzle will be affected, and fluctuations will occur in the direction of ink droplet ejection, making it difficult for ink droplets to land on the specified position on the recording medium, which will cause image quality deterioration

Method used

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  • Nozzle surface cleaning device and droplet discharge device
  • Nozzle surface cleaning device and droplet discharge device
  • Nozzle surface cleaning device and droplet discharge device

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Embodiment Construction

[0042] Next, preferred embodiments of the present invention will be described with reference to the drawings.

[0043] [Overall Structure of Inkjet Recording Apparatus]

[0044] First, the overall structure of the inkjet recording apparatus using the present invention will be described.

[0045] figure 1 It is a configuration diagram showing the overall configuration of the inkjet recording device.

[0046] This inkjet recording device 10 is a cylinder direct-drawing inkjet recording device, and on a recording medium 24 (for convenience, sometimes referred to as "paper") held on a cylinder (drawing drum 70 ) of the drawing unit 16, Ink-jet heads 72M, 72K, 72C, and 72Y eject ink droplets of various colors to form a desired color image. This is a drop-on-demand image forming device that uses two types of liquid reaction (aggregation) methods. Previously, a processing liquid (here, coagulated processing liquid) is applied to the recording medium 24 , and the processing liquid is...

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Abstract

The present invention provides a nozzle surface cleaning device and a droplet discharge device, which can achieve a wet state when wiping with a cleaning liquid under various conditions, thereby enabling maintenance under optimal conditions. It is characterized in that it has: an inkjet head, which has a nozzle surface provided with a nozzle for ejecting liquid; a cleaning liquid supply unit, which is arranged opposite to the nozzle surface, and supplies the cleaning liquid; a moving unit, which makes the cleaning liquid supply unit and the inkjet At least one of the heads moves along the long-side direction and the short-side direction of the inkjet head; and a movement amount control unit that controls a movement amount of at least one of the cleaning liquid supply unit and the inkjet head by the moving unit, which corresponds to the nozzle surface Any one of the dirty state of the inkjet head or the work history of the inkjet head, at least one of the cleaning liquid supply unit or the inkjet head is moved along the short side direction of the inkjet head by the moving unit, and by relatively changing the nozzle surface and the cleaning liquid supply unit Relative to the overlapping position, adjust the amount of cleaning fluid adhered to the nozzle surface.

Description

technical field [0001] The present invention relates to a nozzle surface cleaning device and a liquid droplet discharge device, and particularly relates to a nozzle surface cleaning device and a liquid droplet discharge device capable of changing the adhesion amount of cleaning liquid according to the contamination of the nozzle head and the operating conditions. Background technique [0002] Various impurities such as ink residue and paper dust adhere to the nozzle surface and nozzle edge of the head used in the inkjet recording device due to use. If impurities adhere to the nozzle surface, the ink droplets ejected from the nozzle will be affected, and fluctuations will occur in the direction of ink droplet ejection, making it difficult for ink droplets to land on the specified position on the recording medium, which will cause image quality deterioration . Therefore, it is configured to properly clean the nozzle surface in order to avoid discharge abnormality caused by th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/165
CPCB41J2/16535B41J2/16552B41J2/16585
Inventor 每田宪亮
Owner FUJIFILM CORP
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