Front-in front-out ink-jet printing equipment

Abstract

The invention discloses front-in front-out ink-jet printing equipment which comprises a framework, an ink jetting unit provided with a printing head, a paper feeding channel and a paper feeding mechanism, wherein the ink jetting unit comprises an ink box containing rapidly-dried ink; the paper feeding channel is a horizontal channel capable of enabling a printing medium to move horizontally; and a paper inlet and a paper outlet of the paper feeding channel are the same opening at the front side of the paper feeding channel. According to the ink-jet printing equipment disclosed by the invention, the adopted paper feeding channel is horizontally linear, the printing medium is fed in and discharged out from the front, the operation is humanized, and the requirement on the softness of the printing medium is reduced; and the rapidly-dried ink is adopted for printing, so that the rapidly-dried ink, which is jetted out by the printing head and attached to the printing medium, is solidified and dried before arriving at a friction wheel of the paper feeding mechanism, and the problem that image distortion is caused due to the condition that the friction wheel scrapes ink marks which are not dried is solved. The equipment structure is simplified; and the front-in front-out ink-jet printing equipment is convenient to install, simple in operation, low in cost, long in service life and especially suitable for front-in front-out printing media such as invoices.

Description

technical field

[0001] The invention relates to an inkjet printing device, in particular to an inkjet printing device capable of realizing printing medium forward and forward. Background technique

[0002] Traditional inkjet printers have little friction due to the small contact area between the star wheel and the printing medium. If the star wheel is used to feed the paper under the nozzle for printing, the printing accuracy cannot be guaranteed; and if the star wheel is replaced with a If the printing medium has a friction wheel with a large contact area, when the paper is discharged, it will cause the friction wheel to scratch the ink that has not dried up, distorting the image, and at the same time, the ink that sticks to the friction wheel will also stain the paper that passes behind.

[0003] For this reason, the paper feed channel on the traditional inkjet printer is designed as L-shaped or C-shaped, such as figure 1 and figure 2 As shown, the printing medium 1A ...

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