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a driving device

A driving device and actuator technology, applied in the directions of inking device, jetting device, jetting device, etc., can solve problems such as damage to the proper control and influence of a single solenoid, increase the overall size of the actuator device, etc., so as to reduce mutual electromagnetic Interfering, reducing the effect of operating temperature

Active Publication Date: 2019-08-30
系统陶瓷股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This would compromise proper control of the individual solenoids that would be affected by the control signal received by the closest solenoid
In order to reduce the mutual interference between the solenoids, a certain distance must be kept between them, thus increasing the overall size of the actuator device

Method used

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Embodiment Construction

[0024] The actuator device according to the invention comprises two or more solenoids (S), each solenoid (S) comprising a coil (4), each coil (4) wound around a longitudinal axis (X) in a cylindrical spiral. Each coil can pass through figure 2 Connector (P) shown in .

[0025] Each solenoid (S) comprises a ferromagnetic core (2) concentrically inserted into a corresponding coil (4). The ferromagnetic core (2), preferably of cylindrical shape, is subjected to a force tending to move it along the longitudinal axis (X) through the action of the electromagnetic field generated by the coil (4), regenerating a magnetic field. In a preferred embodiment of the actuator device according to the invention, the core (2) remains stationary and uses a magnetic field to kinematically drive the shutter elements (not shown) of the printhead nozzles. In other embodiments, the coil (2) is movable along the longitudinal axis (X) between at least a first and a second working position by contro...

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PUM

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Abstract

A drive arrangement, in particular for an inkjet printhead, comprising: two or more electromagnetic actuators or solenoids (S), each electromagnetic actuator or solenoid comprising a ferromagnetic core (2), a conductive winding or coil (4) arranged concentrically with the ferromagnetic core (2); a containment body (5) enclosing the electromagnetic actuator (S) and provided with at least A cooling system (6).

Description

technical field [0001] The present invention relates to a drive device, in particular for an ink jet print head. Background technique [0002] Inkjet printheads, especially inkjet printheads dedicated to tile decoration, include a plurality of actuator devices that have the function of controlling the opening and closing of individual nozzles that will be used to spray glaze, thereby Enables precise control over the spray of glaze drops needed to obtain a suitable finish. [0003] The actuator arrangement usually comprises a plurality of mutually identical solenoids arranged side by side parallel to one another on a common median plane. Each solenoid comprises a ferromagnetic core inserted concentrically into a coil whose energization is capable of generating an electromagnetic field displacing the core between at least two extreme positions. In the two extreme positions of the core, the open and closed positions of the printhead nozzles are usually determined. [0004] A...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/04
CPCB41J2/04B41J2002/041B41J2202/05B41J2202/08B05B1/3053B05B1/24B41J2/06B41J2/155
Inventor F·斯特凡尼M·瓦斯夫
Owner 系统陶瓷股份公司