Pre-shaping device before printing of wood-grained paper, and pre-shaping method thereof
A wood-grain paper, pre-shaped technology, used in printing, printing presses, general parts of printing machinery, etc., can solve the problem of reduced slip and stress dispersion, reduced paper flexibility and folding endurance, moisture content wood grain The problem of large impact on paper can achieve the same shrinkage ratio, reduce joint waste, and facilitate subsequent printing.
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[0025]A pre-printing device for pre-printing wood-grain paper, comprising a printed wallboard 1 for improving the moisture content of the wood-grain paper and a bellows wallboard 2 for drying the wood-grain paper after the moisture content has been increased. The bottom of the board 1 is provided with a water tank 10 for storing water. The water tank 10 is provided with an embossing steel roller 11 for transferring water to the wood grain paper. The printing wall board 1 is provided with the wood grain paper pressed against the imprint The embossing rubber roller 12 on the steel roller 11, the wind box wallboard 2 is provided with a number of wind box guide rollers 21 for conveying the wood grain paper and drying the wood grain paper conveyed on the wind box guide roller 21 Component 22.
[0026]In order to quickly reduce the temperature of the dried wood-grain paper, the above-mentioned pre-printing device for wood-grain paper paper also includes a cooling wall board 3, which is provi...
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