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Ink gun, ink jetting recording device, and damping part manufacturing method

A technology of damping components and manufacturing methods, applied in directions such as printing, can solve the problems of narrowing the ink flow path, hindering the supply of ink, etc., and achieve the effect of easy manufacturing

Active Publication Date: 2016-08-24
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the damping member filled with air in the damping chamber uses a flexible film in the damping surface, the heat generated by the drive of the inkjet head, for example, needs to be discharged by means of ink such as gel UV ink or ceramic ink. When the high-temperature ink is formed by a heater or the like, the heat of the high-temperature ink causes the air in the damping chamber to expand, causing the damping surface to protrude greatly in a convex shape toward the pressure chamber.
As a result, the ink flow path toward the pressure chamber may be narrowed, hindering smooth ink supply.

Method used

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  • Ink gun, ink jetting recording device, and damping part manufacturing method
  • Ink gun, ink jetting recording device, and damping part manufacturing method
  • Ink gun, ink jetting recording device, and damping part manufacturing method

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no. 1 approach

[0054] figure 1 Is an exploded perspective view showing the first embodiment of the inkjet head according to the present invention, figure 2 Is along figure 1 (Ii)-(ii) A cross-sectional view of the inkjet head cut by the line, image 3 It is a cross-sectional view of the damping component.

[0055] Inkjet head 1 from figure 1 A nozzle plate 11, a head chip 12, a substrate 13, and an ink manifold 14 are sequentially arranged at the bottom of the middle, and they are formed by joining them to each other. The damping member 15 is arranged in the common ink chamber 141 inside the ink manifold 14.

[0056] The shower head chip 12 shown in this embodiment has a hexahedral shape, and a plurality of channels 121 serving as pressure chambers in the present invention are arranged. Each channel 121 is formed to linearly penetrate across the surface on the nozzle plate 11 side of the head chip 12 and the surface on the substrate 13 side. Multiple channels 121 along figure 1 The X direction ...

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Abstract

The invention relates to an ink gun, an ink jetting recording device, and a damping part manufacturing method. The ink gun is characterized in that a damping part (15) consists of a damping frame and a flexible film (152) disposed at an ink inlet (131a) in an extending manner.

Description

Technical field [0001] The present invention relates to an inkjet head, an inkjet recording device, and a method of manufacturing a damping member, and more specifically to an inkjet head and an inkjet head capable of reducing the influence of crosstalk between pressure chambers by using a damping member installed in a common ink chamber Recording device and manufacturing method of damping member. Background technique [0002] In the inkjet head, the ejection performance may be uneven due to pressure waves generated in the pressure chamber by driving. This is because the pressure wave generated in the pressure chamber by driving propagates toward other pressure chambers communicating through the common ink chamber, and so-called crosstalk is generated that changes the ejection characteristics of the pressure chamber that propagates the pressure wave. [0003] In the past, as a technique to reduce the influence between pressure chambers caused by crosstalk, it has been proposed to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/045B41J2/055
CPCB41J2/045B41J2/055
Inventor 比江岛一树上田正人
Owner KONICA MINOLTA INC