JPH0350434U

JPH0350434U -

Info

Publication number: JPH0350434U
Application number: JP11021489U
Authority: JP
Priority date: 1989-09-20
Filing date: 1989-09-20
Publication date: 1991-05-16

Description

[Brief explanation of drawings]

第１図は、本考案における実施例のインクヘツ
ドキヤツピング・インク吸引機構の要部斜視図、
第２図は、従来のインクヘツドキヤツピング・イ
ンク吸引機構の要部斜視図、第３図は、本考案に
おける実施例の電磁弁駆動手段概念図、第４図は
、本考案における実施例の外気開放電磁弁断面図
である。１……キヤツプ、２……ヘツドユニツト、３…
…ポンプ、４……インク流路開閉電磁弁、５……
外気開放電磁弁、６……外気開放管路、７……動
作電磁弁設定、８……動作駆動信号出力手段、９
……各電磁弁駆動手段、１０……電磁弁駆動指令
手段。 FIG. 1 is a perspective view of essential parts of an ink head capping/ink suction mechanism according to an embodiment of the present invention;
Fig. 2 is a perspective view of main parts of a conventional ink head capping/ink suction mechanism, Fig. 3 is a conceptual diagram of a solenoid valve driving means according to an embodiment of the present invention, and Fig. 4 is an embodiment of the present invention. FIG. 1...Cap, 2...Head unit, 3...
...Pump, 4...Ink flow path opening/closing solenoid valve, 5...
Outside air release solenoid valve, 6...Outside air release pipe, 7...Operation solenoid valve setting, 8...Operation drive signal output means, 9
...Each solenoid valve drive means, 10...Solenoid valve drive command means.

Claims

[Scope of utility model registration request]

In an on-demand inkjet recording device that performs color recording using multiple colors of ink, a plurality of outside air release pipes of a capping/ink suction mechanism for preventing clogging of head nozzles are each individually connected to one outside air release solenoid valve. , an ink suction mechanism characterized by opening and closing a valve without communicating a plurality of open air conduits.