Wide-breadth inkjet printer

An inkjet printer and format technology, which is applied in the field of inkjet printing, can solve problems such as affecting the inkjet printing quality, uneven pressing force of the printing medium, and wrinkling of the printing medium 96 .

Active Publication Date: 2014-07-23
SHENZHEN RUNTIANZHI DIGITAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, under the action of P, F1, and F2, the middle part of the pinch roller 94 will bend and deform downward, and p is unevenly distributed, that is, the pressing force on the printing medium is also uneven, which is affected by various factors , the difference between the maximum value and the minimum value is relatively large, and in severe cases, the printing medium 96 will be wrinkled and deviated, which will affect the quality of inkjet printing

Method used

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] The invention provides a wide-format inkjet printer, which includes a frame, a rotatable driving roller straddling the frame, and a presser arranged under the driving roller and capable of pressing the printing medium against the driving roller. A roller, the bottom of the pinch roller is provided with a pinch unit that can abut against the pinch roller along its length direction.

[0024] In the present invention, the bottom of the pinch roller is supported by pinch units uniformly distributed along its length direction. In this way, the bending deformation of the pinch roller is greatly r...

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Abstract

The invention provides a wide-breadth inkjet printer, which is suitable for the technical field of inkjet printing. The wide-breadth inkjet printer comprises a stand, a rotatable driving roller and a compression roller, wherein the rotatable driving roller is arranged on the stand in a spanning way, the compression roller is arranged below the driving roller and can be used for butting and compressing a printing medium to the driving roller, and the bottom of the compression roller is supported by compression units uniformly distributed along the length direction of the compression roller. Accordingly, by means of supporting of a plurality of compression units, the bending and deformation of the compression roller are greatly alleviated, the compression force of the compression roller on the printing media is more uniform in distribution, so that the printing medium is prevented from wrinkling or deflecting and is driven stably and reliably, and thus, the inkjet printing quality of the inkjet printer is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of inkjet printing, and more specifically relates to a wide-format inkjet printing machine. Background technique [0002] Most of the existing wide-format inkjet printers use pressure wheels to press the printing medium onto the driving wheel, and use the friction between the pressure wheel and the driving wheel to drive the printing medium to move. Such as figure 1 Shown in is a schematic structural diagram of a wide-format inkjet printer in the prior art. As shown in the figure, the wide-format inkjet printer includes a main frame 91, a driving roller 92 straddling the main frame 91, a motor 93 that drives the driving roller 92 to rotate is provided on one side of the main frame 91, and the main frame 91 Be positioned at the bottom of driving roller 92 and be provided with pinching roller 94, pinching roller 94 is driven by the air cylinder 95 of its two ends and can move up and down in the chute (unlabe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/01B41J11/04
Inventor 金世华江洪李力
Owner SHENZHEN RUNTIANZHI DIGITAL EQUIP
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