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Inkjet printer

An inkjet printer and organic solvent technology, applied in printing devices, printing, electric heating devices, etc., can solve the problems of solvent vapor retention and the inability to obtain the drying speed of the ink sprayed on the medium, so as to suppress uneven drying and improve drying speed effect

Inactive Publication Date: 2013-06-05
MIMAKI ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the inkjet printer described in Patent Document 1, although the ink sprayed on the medium can be dried, the solvent vapor generated by the vaporization of the ink solvent stays in the waveguide, so there is a problem that it is impossible to obtain Problems such as drying speed of ink sprayed onto the media adequately

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] In Example 1, the blocking state and rear gore state of the medium M when the ink was dried using the inkjet printer 1 were experimentally observed. In addition, blocking refers to a phenomenon in which the vinyl chloride medium constituting the medium M adheres to a protective sheet of the medium, and curl refers to a phenomenon in which the protective sheet is deformed and the medium is bent (curled).

[0072] The experimental conditions are as follows:

[0073] (1) Ink used: Eco-HS1 ink (solvent ink)

[0074] (2) Medium: white glossy vinyl chloride (medium term)

[0075] (3) Printing conditions: 540×1080dpi-6P1L-Bi

[0076] 300% black printing (solid printing)

[0077] (4) The coiling torque of the medium: max.

[0078] (5) Pre-heater: 35°C

[0079] (6) Print heater: 35°C

[0080] (7) Drying conditions:

Embodiment 1-1

[0082] ・Irradiation of microwaves by magnetron

[0083] Magnetron power: 500W

[0084] ·Use fan to blow air

[0085] Air volume: strong wind mode (4.80m 3 / min)

[0086] Wind temperature: 46-47°C (inside temperature of waveguide 30)

Embodiment 1-2

[0088] ・Irradiation of microwaves by magnetron

[0089] Magnetron power: 500W

[0090] ·Use fan to blow air

[0091] Air volume: strong wind mode (4.80m 3 / min)

[0092] Weak wind mode (2.37m 3 / min)

[0093] Wind temperature: hot air (heater on: 46~47°C)

[0094] Cool air (heater off: room temperature)

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Abstract

In an inkjet printer in which a waveguide is used, a drying speed of ink ejected onto a medium is improved. A propeller member 46 which is rotated and by which microwave is reflection-terminated is attached at a terminal end part of a waveguide 30, and ventilation members 70 and 80 for ventilating the inside of the waveguide 30 are attached at a starting end side and a termination end side of the waveguide 30. The ventilation members 70 and 80 are provided with ventiducts 71 and 81, which are in communication with the insides of ventilation parts 38 and 39, and fans 72 and 82 which are attached to the ventiducts 71 and 81 and provided with built-in heaters. When a medium onto which ink is ejected is inserted into the waveguide 30 from insertion openings 41 and 42 of waveguide main bodies 31 and 32, the ink is dried by microwaves which are supplied by magnetron 43 and reflected by the propeller member 46. Further, since hot air is sent into the waveguide 30 by the fans 72 and 82, drying of the ink is promoted.

Description

technical field [0001] The present invention relates to an inkjet printer that ejects ink to form an image or the like on a medium. Background technique [0002] In an inkjet printer, dye-based inks such as acid dyes, reactive dyes, and direct dyes, or organic solvent inks such as solvent inks, are ejected onto the front or back of sheet-like media (recording media) such as paper, silk fabrics, cotton fabrics, and vinyl chloride. Solvent-based pigment-based inks for printing. In such an inkjet printer, especially in the industrial field, it is important to efficiently dry the ink-jetted medium in order to quickly and easily ship and deliver the printed medium. [0003] Therefore, Patent Document 1 proposes an inkjet printer that dries ink sprayed onto a medium by inserting the medium into a waveguide supplied with microwaves. [0004] Patent Document 1: Japanese Patent Laid-Open No. 2003-022890 [0005] However, in the inkjet printer described in Patent Document 1, althou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/01B05C5/00B05C9/12H05B6/80
CPCH05B6/80B41J11/002H05B2206/046B41J11/00216H05B6/642H05B6/701H05B6/745H05B6/788H05B6/802
Inventor 山田竜二小野泽义己峯村祥
Owner MIMAKI ENG