Printing equipment capable of preventing ink deposition

A printing equipment and ink technology, applied in printing and other directions, can solve the problem of high cost of air pumps, and achieve the effects of improving maintainability, reducing manufacturing costs, and reducing losses

Pending Publication Date: 2021-11-02
SHENZHEN RUNTIANZHI DIGITAL EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, an air pump is usually used to generate a pressure difference in the two ink cartridges, which is used to force the ink to flow in the nozzle, but the cost of the air pump is relatively high

Method used

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  • Printing equipment capable of preventing ink deposition
  • Printing equipment capable of preventing ink deposition

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Embodiment Construction

[0029] The terms "first", "second", "third", "fourth" and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily to describe specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

[0030] Such as figure 1 with figure 2 As described above, the embodiment of the present application pr...

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Abstract

The embodiment of the invention discloses printing equipment capable of preventing ink deposition. The printing equipment comprises a main ink box, a second-level ink box, a spray head, an ink inlet pipe, an ink outlet pipe, a liquid level sensor, a control circuit and a circulating pump, the ink inlet pipe is connected with the main ink box and the spray head, the ink outlet pipe is connected with the spray head and the second-level ink box, the input end of the circulating pump is connected with the second-level ink box, the output end of the circulating pump is connected with the main ink box, in the vertical height, the bottom position of the main ink box is higher than the bottom position of the second-level ink box and lower than the top position of the second-level ink box, the liquid level sensor is used for sending a second-level ink box liquid level highest signal to the control circuit when the liquid level of the second-level ink box reaches the liquid level highest point; and the control circuit is used for controlling the circulating pump to start when receiving the highest liquid level signal of the second-level ink box. According to the embodiment of the invention, the ink in the spray head can flow, and the deposition of the ink in the nozzle is reduced.

Description

technical field [0001] The embodiment of the present application relates to the field of printing equipment, and in particular to a printing equipment for preventing ink deposition. Background technique [0002] Common inkjet printing technologies include piezoelectric inkjet technology and thermal inkjet technology. Piezoelectric inkjet technology uses the deformation of piezoelectric ceramics under voltage control to eject ink droplets from nozzles. This bubbles the ink and forces ink droplets out of the nozzles. In inkjet printing, clogged nozzles will cause poor printing effect, or even failure to print. Cleaning the nozzles consumes a lot of ink, which increases the printing cost and is not environmentally friendly. Nozzle clogging is caused by ink sedimentation in a non-flowing state, so allowing the ink to flow can effectively prevent nozzle clogging and reduce printing costs due to cleaning. [0003] At present, an air pump is usually used to generate a pressure d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/175
CPCB41J2/17566B41J2/17503
Inventor 莫常利吕超余茂基江洪
Owner SHENZHEN RUNTIANZHI DIGITAL EQUIP
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