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Pressure adjusting device and inkjet recording device

A technology for adjusting device and pressure, applied in inking device, printing and other directions, which can solve the problems of large-scale and complicated structure.

Inactive Publication Date: 2018-06-08
TOSHIBA TEC KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, when arranging the mechanical switch on the side of the sealed area inside the cylinder, it is necessary to seal the signal lines, etc., which complicates the structure and increases the size.

Method used

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  • Pressure adjusting device and inkjet recording device
  • Pressure adjusting device and inkjet recording device
  • Pressure adjusting device and inkjet recording device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0098] Below, refer to Figure 1 to Figure 23 , the ink jet recording apparatus 1 equipped with the pressure adjusting device according to the first embodiment will be described. In each drawing, for the sake of explanation, the components are appropriately enlarged, reduced, or omitted. In addition, the same code|symbol is attached|subjected to the same structure or a similar structure.

[0099] figure 1 is a side view of the inkjet recording device 1, figure 2 is a plan view of the inkjet recording device 1 . Such as figure 1 and figure 2 As shown, the inkjet recording apparatus 1 as a liquid ejection (discharging) device includes an image forming unit 6 , a recording medium moving unit 7 as a transport unit, and a maintenance unit 310 .

[0100] The image forming unit 6 has an inkjet recording unit 4 , a carriage 100 supporting the inkjet recording unit 4 , a conveyor belt 101 for reciprocating the carriage 100 in the arrow A direction, and a carriage motor 102 for ...

no. 2 example

[0225] Figure 24 A second embodiment is shown. This embodiment changes the first embodiment as follows (refer to Figure 1 to Figure 23 ) Modification of the configuration of the internal switch 700. That is, the internal switch 700 of this embodiment is a switch in which the fixing method of the lead wire 711 is changed.

[0226] The fixing method of the lead wire 711 is not limited to solder (soldering) 712, such as Figure 24 As shown, the first contact terminal 702 and the second contact terminal 703 may be each provided with a metal plate 731 crimped and fixed in a bent state so as to surround the connection end of the lead wire 711 .

[0227] also, Figure 25 A case where one control input port 721 is shared by a plurality (two or more) of internal switches 700 is shown. The internal switch 700 is required separately when the origin position detection of the rotating shafts 254a, 255a of a plurality of pulse motors 254, 255 is performed simultaneously. However, wh...

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PUM

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Abstract

A pressure adjusting device includes a housing with a cylinder. A piston moves within the cylinder in an axial direction. A pulse motor is fixed to the housing. A switch provided on a surface of the cylinder is actuated by movement of the piston in the cylinder in the axial direction. The switch includes a fixed contact point and a moveable contact point. The piston presses the movable contact point to abut against the fixed contact point when the piston moves from a position other than the initial position to the initial position so that the movable contact point electrically contacts the fixed contact point.

Description

[0001] This application claims the priority of the Japanese application with the filing date of June 4, 2015 and the application number JP2015-113617, and cites the content of the above application. technical field [0002] The invention relates to a pressure adjusting device and an ink jet recording device. Background technique [0003] Conventionally, a device for maintaining the meniscus pressure of an inkjet print head within an appropriate range is known as an example of a pressure adjusting device generally mounted on a liquid ejecting device or the like. In such a pressure adjusting device, the pressure of the liquid is adjusted by combining, for example, the volume change of the air in the cylinder by the movement of the piston disposed in the cylinder and the switching operation of the opening and closing member that opens and closes the flow path of the liquid. [0004] In such a device, by moving the piston arranged in the cylinder in the axial direction, an on-of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/045
CPCB41J2/18B41J2/14233B41J2/16508B41J2/1652B41J2/16535B41J2/175B41J2/17509B41J2/17513B41J2/17553B41J2202/12
Inventor 栗林廉
Owner TOSHIBA TEC KK