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Production process of elastic paperboard

A production process and cardboard technology, applied in papermaking, paper machines, textiles and papermaking, etc., can solve the problems of less printing times, uneven paper surface warping, uneven thickness, etc., and achieve increased printing times and uniform moisture content , the effect of uniform thickness

Inactive Publication Date: 2014-12-03
XINSHAO GUANGXIN ELECTRICAL INSULATING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The elastic cardboard produced by this process solves the main problems of the original cardboard template used for printing pads, such as low density, uneven thickness, large moisture, uneven paper surface warping, low yield, few printing times and high production cost. question

Method used

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  • Production process of elastic paperboard

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Such as figure 1 As shown, choose base cardboard 1 refined from high-purity plant fibers, determine the number of layers of base cardboard 1 required according to the thickness required by the elastic cardboard, and hoist the number of base cardboard 1 on the reel according to the required number of layers Go to the weight-loading paper stand 2, inject the adhesive 3 into the gluing machine 4, the raw cardboard 1 passes through the weight-loading paper stand 2, enter the gluing machine 4 for gluing, enter the bonding machine 5 for compounding, and then go to the paper cutter 6. Cut the sheets horizontally into semi-finished products. After periodic health preservation 7, each sheet is put into the calender 8 for calendering to increase the density. The working pressure of the calender 8 is 40Mpa, and it is transported to the microwave drying unit by the conveyor belt. 9 for drying. The operating speed of the microwave drying unit 9 is determined according to the thickne...

Embodiment 2

[0011] Such as figure 1 as shown in figure 1 As shown, choose base cardboard 1 refined from high-purity plant fibers, determine the number of layers of base cardboard 1 required according to the thickness required by the elastic cardboard, and hoist the number of base cardboard 1 on the reel according to the required number of layers Go to the weight-loading paper stand 2, inject the adhesive 3 into the gluing machine 4, the raw cardboard 1 passes through the weight-loading paper stand 2, enter the gluing machine 4 for gluing, enter the bonding machine 5 for compounding, and then go to the paper cutter 6. Cut the sheets horizontally into semi-finished products. After periodic health care 7, each sheet is put into the calender 8 for calendering to increase the density. The working pressure of the calender 8 is 50Mpa, and it is transported to the microwave drying unit through the conveyor belt. 9 for drying. The operating speed of the microwave drying unit 9 is determined accor...

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Abstract

The invention relates to a production process of an elastic paperboard. Raw paperboards are selected and used, the water content thereof is controlled to be 8-9 percent, the raw paperboards are placed on a paper stacking rack, the layers of the raw paperboards are calculated according to the required thickness of the elastic paperboard, industrial adhesive is selected and used, the raw paperboards are uniformly coated with the adhesive on a gluing machine, the glued raw paperboards are laminated through a bonding machine and then are transversely cut into single paper in a paper cutting machine, the cut paperboards are manually stacked and sealed for curing and then are delivered to a calendering machine for calendering, the working pressure of the calendering machine is 40-50Mpa, the calendered products enter a microwave drying unit for drying, the running speed for drying is determined according to the thickness of the elastic paperboards, the drying temperature is 70-80 DEG C, the water content of the dried elastic paperboards is controlled to be 6-8 percent, then the dried elastic paperboards enter the calendering machine for calendering, the density is controlled to be 1.19-1.24g / cm<3>, the elastic paperboards are cut through the cutting machine according to required size of customers and then are inspected, and the products which are inspected as acceptable are packaged, weighted and then warehoused. The elastic paperboard produced by adopting the production process has the advantages that the surface is flat, the thickness is uniform, the thickness deviation of the same board is extremely small, the density is high, the elastic strength is high and the use effect is good.

Description

Technical field: [0001] The invention relates to a production process of elastic cardboard, which belongs to the technical field of paper product processing technology. Background technique: [0002] Elastic cardboard is a kind of cardboard with high density and good elasticity, which has no texture on the surface and is compounded to form a certain thickness. [0003] Cardboard is used for pad protection of banknote printing templates and templates of high-speed printing machines. It has the characteristics of high purity, high density, uniform thickness, good flatness, good extensibility and flexibility, good elasticity, and many times of use. Elastic cardboard is a kind of high-purity raw cardboard compounded on a bonding machine with an industrial adhesive. This bonding equipment features multilayer bonding, microwave drying, alignment calendering and high pressure calendering. The elastic cardboard produced by this process solves the main problems of the original car...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21G1/00B31F1/00B31F5/04
Inventor 魏冬云王健华罗崇书
Owner XINSHAO GUANGXIN ELECTRICAL INSULATING MATERIALS
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