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Back water-coating device

A technology of back coating and adjustment device, applied to paper and other directions, can solve the problems of inability to precisely control the water absorption of paper, affecting the health of operators, and water mist pollution in the workshop, avoiding water mist pollution, simple structure and precise control. effect in place

Inactive Publication Date: 2013-07-03
GUANGDONG QIAOSHENG ANTI COUNTERFEITING MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many defects in the method of using steam spraying, mainly in that the steam is difficult to be absorbed by the paper, and the water absorption of the paper cannot be accurately controlled, so the effect of correcting warpage cannot be guaranteed
In addition, during the steam spraying process, the steam that is not absorbed by the paper is emitted to the workshop, which brings water mist pollution to the workshop, affects the health of the operators, and causes waste of steam and consumes energy.
Moreover, steam spraying requires heating equipment, steam pipes, and spraying equipment, which has a complex structure and high production costs.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0043] Such as figure 1 Shown, a kind of back coating water device, it comprises water tank 1, the metering roller 2 that contacts with the liquid level of water tank 1, the applicator roller 3 that applies water film on paper surface, and described metering roller 2 and described applicator The roller 3 is in contact, and also includes a motor for adjusting the rotation speed, and the motor is connected with the metering roller 2 and the applicator roller 3 .

[0044] There are two motors in this embodiment, and the two motors are respectively connected to the metering roller 2 and the applicator roller 3 . Two motors respectively drive the metering roller 2 and the applicator roller 3 through universal joints. When the speed reaches 400m / min~500m / min, the gap between the metering roller 2 and the applicator roller 3 will be filled with continuous , Uninterrupted water film, at this time, the air will not enter the gap between the metering roller 2 and the applicator roller...

Embodiment 2

[0050] Such as Figure 2~6 As shown, the difference between this embodiment and Embodiment 1 is that this embodiment also includes a compensation adjustment device 4, and the compensation adjustment device 4 includes a scissors difference adjustment device 41, a driving side adjustment device 42, and an operation side adjustment device 43, The scissor difference adjustment device 41 is connected to the metering roller 2 , the drive side adjustment device 42 is connected to the application roller 3 , and the operation side adjustment device 43 is connected to the application roller 3 .

[0051] Such as figure 2 , image 3 As shown, the scissors difference adjustment device 41 in this embodiment includes a first adjustment handle 411, a scissors difference adjustment table 412, and a scissors difference adjustment link 413. The first adjustment handle 411 is connected to the scissors difference adjustment link 413, and the scissors difference adjustment link 413 A rod 413 is ...

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Abstract

The invention relates to the technical field of coating equipment, and particularly relates to a back water-coating device. The back water-coating device comprises a water tank, a metering roller in contact with the liquid level of the water tank, a coating roller for coating a water film on a paper surface and a motor used for adjusting the rotating speed, wherein the metering roller is in contact with the coating roller; and the motor is connected with the metering roller and the coating roller. The metering roller of the device transfers water in the water tank onto the coating roller which coats the water film on a non-coating side of paper; the water film slightly permeates into the surface of the non-coating side of the paper; and the paper is oppositely pulled back in the warping direction, thereby achieving an object of correcting the warping of the paper. The rotating speed of the metering roller is adjusted by adjusting the rotating speed of the motor; the quantity of the water coated on the surface of the paper can be accurately controlled according to different requirements; and the control is accurate. The device is simple in structure, prevents water mist pollution and keeps the plant environment clean.

Description

technical field [0001] The invention relates to the technical field of coating equipment, in particular to a back coating water device. Background technique [0002] In the coating process of carbonless copy paper, it is necessary to apply coating to carbonless copy paper. After coating, the moisture in the coating enters the inside of the paper, causing the paper fibers to swell. Due to the change of internal stress, some paper fibers are damaged during the drying process. After the paper is warped, it will bring operational difficulties to the post-processing, so it is necessary to correct the paper after the coating is applied. [0003] Because steam has the advantages of relatively high temperature and good penetrability, in the prior art, steam is sprayed on the non-coated surface of carbonless copy paper to make the paper moist, and when the paper fully absorbs water, the internal stress of the paper gradually disappears. The warped paper may re-stretch under the acti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H23/56
Inventor 赵英罗武军肖华东周清
Owner GUANGDONG QIAOSHENG ANTI COUNTERFEITING MATERIALS CO LTD
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