Mechanical platform of digital ink-jet printer of single sheet
A digital inkjet, printing press technology, applied in printing presses, rotary presses, printing and other directions, can solve the problems of difficult commercialization, difficult to achieve color printing, low accuracy of ink image transfer position, etc., to achieve transfer accuracy high effect
Active Publication Date: 2015-07-15
上海豹驰印刷设备国际贸易有限公司
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Problems solved by technology
Since the lateral position of the transfer belt will deviate when it is running at high speed, especially during high-speed printing, the alternating clutch pressure of the transfer belt and the impression roller will fluctuate, which will cause the accuracy of the transfer position of the ink screen to be low, and it is difficult to achieve color printing. requirements, it is difficult to commercialize
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Embodiment Construction
[0015] The mechanical platform of a sheet-fed digital inkjet printing machine is equipped with a paper supply unit, a paper delivery unit and a printing transfer unit in the machine base, wherein the paper supply unit and the paper delivery unit are the same as the prior art.
[0016] This embodiment will describe in detail the design point of this application - the printing transfer unit, as figure 1 As shown, the printing transfer unit is composed of a quadruple-diameter transfer cylinder 2, two double-diameter impression cylinders 4, 8, a double-diameter transfer cylinder 5, a double-diameter reversing cylinder 6 and a single Diameter overturning drum 7 constitutes. The first embossing cylinder 4 is connected to the paper supply unit through the delivery cylinder 3, and the second embossing cylinder 8 is connected to the paper delivery unit through the delivery sprocket 9, and each cylinder is driven by high-precision gears to ensure transmission accuracy. The quadruple-d...
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The invention discloses a mechanical platform of a digital ink-jet printer of a single sheet and belongs to the technical field of printing machinery. The mechanical platform mainly comprises a machine base, a paper feeding unit, a printing transfer unit and a paper collecting unit. The printing transfer unit is formed by a four-time radial transfer roller, two double-time radial pressing printing roller, a double-time radial paper transmitting roller, a double-time radial turning roller and a single-time radial turning roller. The four-time radial transfer roller is arranged under an ink sprayer, and the first double-time radial pressing printing roller, the double-time radial paper transmitting roller, the double-time radial turning roller, the single-time radial turning roller and a second double-time radial pressing printing roller are sequentially distributed under the four-time radial transfer roller in a V-shaped distribution mode. The mechanical platform forms the transfer unit through distribution of the transfer roller, two diameter-changeable radial pressing rollers and the like, single-face and double-face printing transformation can be achieved, and the transfer accuracy is high.
Description
technical field [0001] The invention relates to a mechanical platform for a high-speed (>10000 r / h), sheet-fed (double-sided printing) digital inkjet printing machine, which belongs to the technical field of printing machinery. Background technique [0002] With the rapid development of social informatization and networking, digital inkjet printing technology will gradually replace traditional offset printing technology. In the past few years, magnetic powder and electronic ink digital printing technologies have been relatively mature. Digital copiers (Kodak, Fuji, Canon, etc.) and electronic ink digital printing machines (HP) have spread rapidly, and small-format (below 52 specifications) offset printing machines have been greatly impacted. At the same time, digital inkjet printing technology has also made great progress with the improvement of inkjet head technology. Web digital inkjet printing machines of various specifications have been marketed one after another. The...
Claims
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IPC IPC(8): B41F16/00
CPCB41J3/60B41J13/223
Inventor 范福新王志富高科
Owner 上海豹驰印刷设备国际贸易有限公司