Ink jet recording device and recording method
A technology of inkjet recording and recording method, which is applied in the direction of copying/marking method, printing device, printing, etc., and can solve the problems of inkjet head printing omission and the like
Active Publication Date: 2015-08-26
KK TOSHIBA +1
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Problems solved by technology
Due to the above factors, the inkjet head has the worry of printing omissions
Method used
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[0019] Below, refer to Figure 1 to Figure 8 One embodiment will be described. In addition, although there are examples where one or more other expressions are added to each element that can have multiple expressions, this does not negate the addition of different expressions to elements that do not have other expressions, nor does it limit the addition of other expressions that are not illustrated.
[0020] figure 1 It is a diagram schematically showing an inkjet printer 10 according to an embodiment. The inkjet printer 10 is an example of an inkjet recording device. Such as figure 1 As shown, the inkjet printer 10 has a first box 11, a first path 12, a second box 13, a first pump 14, a pneumatic valve 15, a second path 19, an inkjet head 21, a third path 22, a third box 23 , a valve 24 , a fourth path 25 , a second pump 26 and a control unit 29 .
[0021] The first tank 11 is an example of an ink tank. The first path 12, the second tank 13, and the second path 19 are ...
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Abstract
The invention provides an ink jet recording device and a recording method capable of inhibiting the omission of printing. The ink jet recording device related in one embodiment comprises an actuator, a nozzle plate, a supplying part, a discharging part and a circulating part. The actuator comprises pressure chambers for accommodating ink, and can change the volumes of the pressure chambers. The nozzle plate is provided with nozzles with the diameter ranging from 20 mu m to 40 mu m, and the nozzles open towards the pressure chamber. The supplying part is used for supplying the ink to the pressure chambers. The discharging part recycles the ink from the pressure chambers. The circulating part makes the ink circulate among the supplying part, the pressure chambers and the discharging part. The average grain diameter of the ink ranges from 0.4 mu m to 6.5 mu m in laser diffraction type particle size distribution measurement, the average grain diameter is approximately equal to the particle size at 50% accumulated value, and the particle size at 90% accumulated value is less than twice the particle size at 50% accumulated value.
Description
technical field [0001] Embodiments of the present invention relate to an inkjet recording device and a recording method. Background technique [0002] Various types of ink jet heads such as piezoelectric type are known. As a piezoelectric inkjet head, for example, a so-called bottom jet type (Endshutter type) and a side jet type are known. [0003] Sometimes dust or the like enters the ink chamber for supplying ink from the nozzles of the inkjet head. Also, sometimes air bubbles, foreign matter and coarse particles are mixed into the ink. Due to the above factors, the inkjet head has the worry of printing omissions. [0004] In the bottom spray type inkjet head described above, the ink does not circulate. Therefore, much maintenance is performed on the above-mentioned bottom spray type inkjet head in order to eliminate air bubbles and the like to restore performance. [0005] On the other hand, in the side jet type inkjet head, the ink circulates. Therefore, dust, air ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B41J2/01B41J29/38B41J2/135B41M5/00
CPCB41J2/01B41J2/17509B41J2/17556B41J2/18B41J2/185B41J2/19B41J2/195
Inventor 望月良晃菊地惠一西川香穗里
Owner KK TOSHIBA