Gauze dry method paper forming structure
Technical field
The present invention relates to dry method of paper-making field, be specially a kind of Gauze dry method paper forming structure.
Background technology
The dry method of paper-making is a kind of novel paper technology that develops late 1970s, and with the medium of air flow as dispersion and suspension fiber, it is different from the conventional wet papermaking of water as the fiber dispersion medium.Compare with traditional wet papermaking, the dry method of paper-making has following main feature: replace the medium of water as dispersion, conveying fiber with purifying air in the paper-making process, deaerated rather than dehydration make fiber on the forming net that moves, form paper web when being shaped.
The method of the dry method of paper-making has: (1) comb arching pushing.The fiber spool of handling and copying is carded to fibre thin layer with several carding machines, on conveyer belt, forms banded ply of paper more continuously.This ply of paper is passed through size tub down with copper mesh and woollen blanket clamping, be rolled into paper web through squeezing, drying, press polish then.(2) exhaust sedimentation.Pulp board with fiber dispersion, on forming net, forms fibre thin layer in the vacuum action deposit with the combing disperser, as above-mentioned, becomes the roll web volume through applying glue, drying, arrangement.The dry method of paper-making can use string, also can use mineral fibres or synthetic fiber, and the paper of being manufactured paper with pulp is called nonwoven fabric.
Dry method paper and cardboard are mainly used in industry, as materials such as filtration, packing, liner, insulation, wipings; Be used for daily necessities, make sheet, towel, the tablecloth, napkin, clothes, shoes and hats, decoration, wallpaper etc.; As hygienic material, as: sanitary napkin, panty liner, baby or adult diaper, disposable hospital are with coverlet, gloves, operating coat, cleaning wiping cloth, Gai Dan etc.The great advantage of the dry method of paper-making is a water not, the pollution that does not produce water and atmosphere.But because of not having adhesion between dried fiber, need to lean on fiber to be bonded into paper, so cost is high than wet papermaking with addition of adhesive.
As shown in Figure 2; Common dry method paper forming structure mainly comprises: forming part I 1, forming part II2, forming part III3, negative pressure box 4, machine base 8, forming part guipure 9 etc.; Forming part I 1, forming part II2, forming part III3 are set on the machine base 8; The bottom of forming part I 1, forming part II2, forming part III3 is provided with a forming part guipure 9, and the below of forming part I 1, forming part II2, forming part III3 correspondence respectively is provided with negative pressure box 4.Common dry method paper is shaped to by layer spread method, and when every forming part II2, forming part III3, its gas permeability significantly descends, and negative pressure reduces, and the speed of blanking also decreases, and has influenced speed of production.
Summary of the invention
The object of the present invention is to provide a kind of Gauze dry method paper forming structure, solve in the prior art owing to cause gas permeability significantly to descend, problem such as speed of production is lower by layer spread method.
Technical scheme of the present invention is:
A kind of Gauze dry method paper forming structure; This structure is provided with at least two forming parts; The bottom of each forming part is provided with the forming part guipure respectively; The forming part guipure of first forming part is positioned at the forming part guipure bottom after first forming part, the forming part guipure stack after the forming part guipure of first forming part and first forming part.
Described Gauze dry method paper forming structure, the forming part guipure direction of motion of first forming part is opposite with first forming part forming part guipure direction of motion afterwards.
Described Gauze dry method paper forming structure, the forming part guipure of first forming part is the major network band, the forming part guipure after first forming part is the stack guipure.
Described Gauze dry method paper forming structure, the below of forming part correspondence respectively is provided with negative pressure box.
Described Gauze dry method paper forming structure; Forming part is three; The bottom of forming part I, forming part II, forming part III is provided with forming part I guipure, forming part II guipure, forming part III guipure respectively, and forming part II guipure, forming part III guipure superpose with forming part I guipure respectively.
Described Gauze dry method paper forming structure, the below of forming part I, forming part II, forming part III correspondence respectively is provided with negative pressure box.
Described Gauze dry method paper forming structure, forming part I guipure and forming part II guipure and stack place of forming part III guipure are positioned at the bottom of forming part II guipure and forming part III guipure.
Described Gauze dry method paper forming structure, forming part II guipure is identical with the direction of motion of forming part III guipure, and the direction of motion of the direction of motion of forming part I guipure and forming part II guipure and forming part III guipure is opposite.
Described Gauze dry method paper forming structure, forming part I guipure is the major network band, forming part II guipure, forming part III guipure are the stack guipure.
The beneficial effect of Gauze dry method paper forming structure of the present invention is:
1, the paper product good evenness made of Gauze dry method paper forming method of the present invention, structure is bulk because the dry method paper of producing at present is being puffed to the master, thus structure bulk be a characteristic.
2, good evenness.Because each moulding all is direct lapping, its gas permeability will be got well more than common forming method, so its uniformity is greatly improved.
3, output is high.Common dry method paper is shaped to by layer spread method, and during forming part guipure after every first forming part, gas permeability significantly descends, and negative pressure reduces, and the speed of blanking also decreases.Gauze forming structure of the present invention is because forming part all is direct lapping, and negative pressure is unaffected, so its shaping speed is than fast many of common moulding, thereby improved operating efficiency, promptly improves output.
4, energy-conservation.With common laying net for shaping successively, because its gas permeability constantly descends, and must replenish the deficiency of negative pressure with the method for intensified negative pressure, therefore the powerful blower fan of needs come work just can reach re-set target.And the highly-breathable of Gauze moulding of the present invention then need not strengthen the power of blower fan, just can easily reach the target of common moulding, so its energy-saving effect is remarkable.
Description of drawings
Fig. 1 is a Gauze dry method paper forming structure sketch map.
Among the figure, 1 forming part I; 2 forming part II; 3 forming part III; 4 negative pressure boxs; 5 forming part I guipures; 6 forming part II guipures; 7 forming part III guipures; 8 machine bases.
Fig. 2 is common dry method paper forming structure sketch map.
Among the figure, 1 forming part I; 2 forming part II; 3 forming part III; 4 negative pressure boxs; 8 machine bases; 9 forming part guipures.
The specific embodiment
Gauze dry method paper forming structure of the present invention; This structure is provided with at least two forming parts; The bottom of each forming part is provided with the forming part guipure respectively; The forming part guipure of first forming part is positioned at the forming part guipure bottom after first forming part, the forming part guipure stack after the forming part guipure of first forming part and first forming part.The forming part guipure direction of motion of first forming part is opposite with first forming part forming part guipure direction of motion afterwards.The forming part guipure of first forming part is the major network band, and the forming part guipure after first forming part is the stack guipure.The below of forming part correspondence respectively is provided with negative pressure box.
As shown in Figure 1; In the present embodiment; Gauze dry method paper forming structure mainly comprises: forming part I 1, forming part II2, forming part III3, negative pressure box 4, forming part I guipure 5, forming part II guipure 6, forming part III guipure 7, machine base 8 etc., and concrete structure is following:
Machine base 8 is provided with forming part I 1, forming part II2, forming part III3; The bottom of forming part I 1, forming part II2, forming part III3 is provided with forming part I guipure 5, forming part II guipure 6, forming part III guipure 7 respectively; Forming part II guipure 6, forming part III guipure 7 superpose with forming part I guipure 5 respectively, and the below of forming part I 1, forming part II2, forming part III3 correspondence respectively is provided with negative pressure box 4.
In the present embodiment, forming part I guipure 5 and forming part II guipure 6,7 stacks place of forming part III guipure are positioned at the bottom of forming part II guipure 6, forming part III guipure 7.
In the present embodiment, forming part II guipure 6 is identical with the direction of motion of forming part III guipure 7, and the direction of motion of the direction of motion of forming part I guipure 5 and forming part II guipure 6 and forming part III guipure 7 is opposite.
The forming principle of present embodiment Gauze dry method paper is:
Each forming part of forming part I 1, forming part II2, forming part III3 all each has a moulding guipure.Wherein, Forming part I guipure 5 is the major network band, and forming part II guipure 6, forming part III guipure 7 are the stack guipure, and each forming part is all to the direct stone of guipure; The material of three composing type portions being spread through the stack of guipure is superimposed together, and three final bed of materials become the dry method paper of finished product.According to this, can be further used in the production of at least two bed of materials.
During work, the direction of motion of forming part I 1 is from left to right, and the direction of motion of forming part II2, forming part III3 is opposite with forming part I 1,,, paper is transferred out by the bottom of negative pressure box 4 through after the guipure stack to a left side by the right side.So far, the dry method ply of paper that is paved into the Gauze principle just successfully is transported to next operation.