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Inkjet device and inkjet method

An inkjet device and coating technology, applied in printing, typewriter and other directions, can solve the problems of ink droplets, unstable spraying of the coating head, etc., and achieve the effect of stable spraying

Active Publication Date: 2017-03-15
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] As a result, the ejection from the coating head becomes unstable, and depending on the situation, ink dripping from the coating head may occur.

Method used

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  • Inkjet device and inkjet method
  • Inkjet device and inkjet method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0049] figure 1 It is a schematic diagram of the ink jet device according to Embodiment 1 of the present invention.

[0050] The entire inkjet device is covered with a UV light-blocking film and a metal cover so that the ink in each tank, pipe, and coating head under the action of UV light will not deteriorate. This example is for the case of using ink for UV light, and when not using ink for UV light, the above countermeasures are not essential.

[0051] In the inkjet device, a plurality of coating heads 10 arranged with a plurality of nozzles ejecting a predetermined amount of ink and the following three tanks are arranged: a storage tank 12 for storing ink 11; A supply tank 13 for the ink 11; and a recovery tank 14 for storing the ink 11 recovered from the coating head 10 in advance. In addition, there is a control unit 35 that controls each component. The control unit 35 has a processor and the like, and issues control instructions to each component unit. Wiring is omi...

Embodiment 1

[0063] use figure 2 (a)~ figure 2 (c) Example 1 is described. figure 2 (a) is a perspective view of an applicator head. figure 2 (b)~ figure 2 (c) is a side view of the applicator head.

[0064] Such as figure 2 As shown in (a), an example is shown in which ink is ejected from the coating head 10 to form a predetermined pattern on the workpiece 30 with respect to the workpiece 30 having large unevenness.

[0065] At this time, the coating head 10 is comprised by 4 coating heads. The position of any one coating head 31 among the four coating heads is set at a lower position than the other coating heads 10 . Ink is ejected only from the coating head 31 set at the low position, and ink is not ejected from the other coating heads 10 . The workpiece 30 moves from the depth side of the coating head 31 to the near side, and ink is ejected from the coating head 31 to the workpiece to form a predetermined pattern. The workpiece 30 is fixed by a robot arm having a multi-ax...

Embodiment approach 2

[0095] Figure 4 A schematic diagram showing an inkjet device according to Embodiment 2 of the present invention. exist Figure 4 in, right with figure 1 The same components are denoted by the same symbols, and explanations thereof are omitted. Items not described are the same as those in Embodiment 1.

[0096] Embodiment 2 differs from Embodiment 1 in two supply pipes 40 and 41 connected from supply tank 13 to coating head 10 and two recovery pipes 42 and 43 for recovering ink 11 from coating head 10 .

[0097] The supply tank 13 and any coating head 10 are connected by two supply pipes 40 and 41 having the same length but having different pipe diameters (hereinafter referred to as different flow path areas). Either one of the two supply pipes 40 and 41 between the supply tank 13 and the coating head 10 is supplied via the switching valve 21 provided on the supply tank 13 and the switching valve 22 provided on the ink introduction side of the coating head 10 . The piping...

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PUM

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Abstract

The invention provides an inkjet device and an inkjet method. The inkjet apparatus has a plurality of spraying heads which spray ink as any of the spraying heads is lowered so as to form a specified pattern at a structure body which has larger concanves and convexes. In order to stably spray ink, the spraying heads are configured to have stable ink flow therein by, as the spraying heads are lowered, performing selection among 2 pipe paths which connect an ink feeding groove and the spraying heads and 2 pipe paths which connect a recycling groove and the spraying heads, the ink feeding groove supplying ink to the spraying heads, and the recycling groove recycling ink from the spraying heads.

Description

technical field [0001] The present invention relates to an inkjet device and an inkjet method. In particular, it relates to an inkjet device and an inkjet method that circulate and eject ink. Background technique [0002] The inkjet device controls the amount of ink and ejects the ink from an application head having a plurality of nozzles. Inkjet devices are widely used to draw arbitrary graphics, characters, and the like on paper and plastic surfaces. [0003] In the drawing of graphics and characters, it is required to draw high-resolution image quality. In the manufacture of devices, it is required to form a uniform functional film with high precision. Therefore, in the inkjet device, the amount of ink ejected from the plurality of nozzles of the coating head must be ejected stably and uniformly over time. [0004] Accordingly, in the inkjet device of Conventional Document 1, a technique has been proposed to stabilize the ink ejection by controlling the internal press...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/11
CPCB41J2/11B41J3/4073B41J2/175
Inventor 宫泽和利
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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