CN102756527A

CN102756527A - Thin material as well as compositing method and equipment thereof

Info

Publication number: CN102756527A
Application number: CN2012102628976A
Authority: CN
Inventors: 张涛; 派屈克.陈; 杨晓静
Original assignee: Gold HongYe Paper Group Co Ltd
Current assignee: Gold HongYe Paper Group Co Ltd
Priority date: 2012-07-27
Filing date: 2012-07-27
Publication date: 2012-10-31
Anticipated expiration: 2032-07-27
Also published as: CN102756527B

Abstract

The invention relates to a compositing method of a thin material. The method comprises the following steps of: providing two raw material rolls, and unrolling thin materials of the two raw material rolls; forming static electricity on the thin materials of the two raw material rolls; and compositing the thin materials of the two raw material rolls. The invention further provides compositing equipment of the thin material, wherein the compositing equipment is used for implementing the method. The compositing method of the thin material has the advantages that the thin material, such as paper for daily use, which has no laminated lines and embossments and can achieve a multilayer composite effect without using adhesives, can be produced, the working procedure can be reduced, and the production cost is reduced.

Description

Thin material and complex method thereof and equipment

Technical field

The present invention relates to a kind of complex method of thin material, the thin material of implementing the thin material equipment complex of this method and adopting this complex method to form.

Background technology

Facial tissue taken out by roll toilet paper, box and the soft paper for daily uses such as facial tissue of taking out generally comprise the paper that multilayer stacks together.These multi-ply papers generally can combine, and avoid in the process of using, occurring the phenomenon of layering.

Combine the method for each layer paper to have multiple at present.For example, paper for daily use is during respectively as roll toilet paper and facial tissue, and its both sides longitudinally form layer zygonema and reach the effect that layer closes.In the process segment; After the paper web of multilayer broad stacked together; Through edge roller paper web vertically on, also promptly on paper machine direction, form these layers zygonema, then paper web is carried out void in the horizontal and cuts or cut; Last again the paper web of these broads is cut into the paper product unit with certain width in the vertical, thereby form roll toilet paper and facial tissue with layer zygonema.

A kind of in addition method is to realize that through embossing the layer of paper closes in the process segment, after the paper web of multilayer broad is stacked together, through knurling rolls, on paper web, forms embossing, then paper web is carried out void in the horizontal and cuts or cut.

Also having a kind of selectable method is exactly to close or use adhesive to strengthen the composite effect of paper during the process of embossing at layer.

These methods no doubt can reach the compound effect of paper, but have increased manufacturing procedure, cause production cost to rise thus.In order to reduce cost, occur saving the multi-layered tissue paper of recombination process on the market, but lamination takes place in use this multi-layered tissue paper easily, use very inconvenient.

Summary of the invention

In view of this, be necessary to provide a kind of and can eliminate the thin material complex method of above-mentioned defective, the thin material of implementing the thin material equipment complex of this method and adopting this complex method to form.

A kind of thin material equipment complex; Comprise pay-off roll, electrostatic generator and composite roll, pay-off roll is used for the thin material of raw material volume is launched; Electrostatic generator is used for forming static on the thin material surface, and composite roll is used for the thin material of static electrification is combined with each other.

A kind of thin material complex method comprises the steps:

Two raw material volumes are provided, and the thin material that launches two material webs;

On two thin materials, form static; And

Carry out compound to two thin materials.

A kind of thin material, this thin material are paper for daily use, nonwoven, the perhaps combination of paper for daily use and nonwoven, and this thin material is composited by above-mentioned thin material complex method.

Compared with prior art, thin material complex method provided by the invention need not form layer zygonema and embossing on raw material, need not use adhesive just can reach the compound effect of multi-layer thin type material yet, can reduce operation, saves production cost.

With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further description.

Description of drawings

Fig. 1 is the schematic flow sheet of the thin material complex method of one embodiment of the invention.

Fig. 2 is the sketch map that forms static shown in Fig. 1 on the thin material.

Fig. 3 is compound preceding its surface texture enlarged diagram of the thin material among Fig. 2.

Fig. 4 is the structural representation of the thin material among Fig. 3 after compound.

Fig. 5 is the schematic flow sheet of the thin material complex method of another embodiment of the present invention.

Fig. 6 is the sketch map that forms static shown in Fig. 5 on the thin material.

The main element symbol description

The body paper paper roll	100、110、120、130
		Paper	10、11、12、13
First surface	101、111、121、131
		Second surface	102、112、122、132
Lint	103、113
		Pay-off roll	14、15、16、17
Nip rolls	18、19、20、21
		Electrostatic generator	22、23、24
Composite roll	25、26
		Rewind roll	27、28

The following specific embodiment will combine above-mentioned accompanying drawing to further specify the present invention.

The specific embodiment

See also Fig. 1, the thin material equipment complex of preferred embodiments of the present invention comprises pay-

off roll

14,15,

nip rolls

18,19,

electrostatic generator

22,23, composite roll 25, rewind roll 27.This thin material equipment complex can be to a plurality of paper for daily uses, perhaps a plurality of nonwoven, and perhaps paper for daily use and nonwoven carry out compound.Be that paper for daily use is that example describes with the thin material in the present embodiment.

Pay-off roll 14 is used for raw material volumes (present embodiment is a body paper paper roll 110) are launched.

Nip rolls 18 is positioned at the downstream of pay-off roll 14.Nip rolls 18 is used to stretch the paper 10 that body paper paper roll 100 launches.Be appreciated that this nip rolls 18 can optionally not be arranged in this equipment complex yet when the overall structure of some thin materials itself is comparatively smooth.Nip rolls 18 is to be processed by insulating materials, makes the downstream paper when producing electrostatic process, avoid other external condition influences.

Electrostatic generator 22 is in the downstream of nip rolls 18, and its effect is to make paper 10 under electric field action, produce polarization and electret and make the first surface 101 of paper 10 present needed positive charge or negative electrical charge with opposing second surface 102.

Pay-off roll 15 is used for raw material volumes (present embodiment is a body paper paper roll 110) are launched.

Nip rolls 19 is positioned at the downstream of pay-off roll 15.The same, nip rolls 19 just optionally is arranged in this equipment complex.Nip rolls 19 is to be processed by insulating materials, makes the downstream paper when producing electrostatic process, avoid other external condition influences.

Electrostatic generator 23 is in the downstream of nip rolls 19, its effect be make paper 11 makes paper 11 under electric field action first surface 111 and opposing second surface 112 with on required negative electrical charge or positive charge.

Composite roll 25 is in the downstream of electrostatic generator 22,23.Composite roll 25 is processed by insulating materials, makes upper reaches paper when producing electrostatic process, avoid other external conditions influences, and composite roll 25 also has paper 10 and paper 11 are carried out compound effect simultaneously.

Rewind roll 27 is in the downstream of composite roll 25.Rewind roll 27 is used for the paper after

compound

10,11 is carried out rewinding, so that get into next step treatment process, for example cuts, folds and be processed into finished product.

Be in the composite roll 25, rewind roll 27 in electrostatic generator 23 downstream owing to touch the thin materials such as

paper

10,11 that have static, may cause being provided with on the board of composite roll 25, rewind roll 27 and be with static.For this reason, the board that is provided with composite roll 25, rewind roll 27 is provided with earthing module, and these boards have good ground connection performance thus, runs well to guarantee board.

The thin material complex method of preferred embodiments of the present invention roughly comprises the steps: uncoiling → flattening → static generation → compound → rewinding → cut, folding → packing.Paper after the packing is finished product for sale.

Detailed process combines Fig. 1 to introduce as follows.

Pay-off roll 14 is launched body paper paper roll 100, and nip rolls 18 guiding paper 10 are through electrostatic generator 22.Nip rolls 18 also has the paper 10 of stretching, extension, makes paper 10 stretch smooth effect as far as possible.Simultaneously, pay-off roll 15 is launched body paper paper roll 110, and nip rolls 19 guiding paper 11 are through electrostatic generator 23.

Consult Fig. 2 in the lump, electrostatic generator 22 makes the first surface 101 of paper 10 present needed positive charge with second surface 102.Be appreciated that ground, in other embodiments, electrostatic generator 22 can make that also the surface of paper 10 has negative electrical charge.

Electrostatic generator 23 makes first surface 111 and the second surface 112 of paper 11 with going up required negative electrical charge.Equally, when paper 10 surperficial electronegative, the surface of paper 11 is then correspondingly positively charged.The quantity of electric charge on preferred paper 11 and the paper 10 equates.

Not through electrostatic generator 22, before 23, the surface of

paper

10,11 is comparatively smooth and smooth.After applying static at paper surface, the lint 103,113 of similar linear can appear at paper surface.As shown in Figure 3, because identical charges is repelled each other, lint 103 can present the linearity on two surfaces that are similar to vertical paper 10, and same lint 113 also can present the linearity on two surfaces of near normal paper 11.

When two

paper

10,11 during,, and finally be combined with each other through behind the composite roll 25 because the opposite polarity of two

paper

10,11 has the trend that attracts each other near composite roll 25.In this compound process, please refer to Fig. 4, because the neutralization of static; These lints 103,113 no longer are the linearity of vertical paper surface; But be the bending of nature, and can twine each other and overlap, pass through the pressing of composite roll 25 again after; Paper 10, the lint between 11 103,113 consolidation that is driven plain and becomes, thus two

paper

10,11 are combined closely.

In certain embodiments, can also increase other paired composite roll in the both sides of the paper after

compound

10,11, roll two outer surfaces of

paper

10,11, make the second surface 112 of first surface 101 and the paper 11 of paper 10 consolidation that becomes.

Paper

10,11 after rewind roll 27 is compound carries out rewinding, so as further to cut, folding and be processed into finished product.

In the above-mentioned recombination process its working environment with temperature between 0-50 ℃, relative humidity is the best smaller or equal to 85%, avoids static to eliminate.

See also Fig. 5, the thin material equipment complex of another embodiment of the present invention comprises pay-off

roll

16,17,

nip rolls

20,21, electrostatic generator 24, composite roll 26, rewind roll 28.The effect of these structures is all identical with structure function in the foregoing description, and the relative position of setting is also similar, therefore repeats no more.Different is only to have an electrostatic generator 24 in this embodiment, is used for the surface formation electrostatic charge to the paper 12 of body paper paper roll 120.

As shown in Figure 6, paper 12 produces polarization and electret under the electric field action of electrostatic generator 24, and make two surfaces of paper 12 present needed positive electricity, and promptly first surface 121, second surface 122 are positively charged.The paper 12 of positively charged can induce negative electricity and positive electricity respectively with second surface 132 at the first surface 131 of uncharged paper 13 near the not charged paper 13 of body paper paper roll 130 time.Identical in follow-up recombination process and other process and the above-mentioned embodiment, this does not give unnecessary details.Be appreciated that in other embodiments two surfaces of paper 12 can form negative electrical charge, and correspondingly induce positive electricity and negative electricity respectively at first surface of paper 13 131 and second surface 132.

Paper

10,11,12,13 in the above-mentioned embodiment preferably is single-part stationery.Certainly also not getting rid of is the situation of multi-ply paper, when being multi-ply paper, can being combined with each other through equipment provided by the invention and method earlier and forming a ply of paper unit, two ply of paper unit is combined with each other through the said equipment and method again.

In addition, be that paper for daily use is that example describes thin material equipment complex of the present invention and method with thin material in the above-mentioned embodiment, be appreciated that this thin material can also be a nonwoven, or nonwoven and paper for daily use.For

example paper

10,11 all is nonwoven, and the said equipment and method are to be used for compound to two-layer nonwoven.For example the paper 10 in the

paper

10,11 is nonwoven again, and the said equipment and method are to be used for compound to one deck paper for daily use and layer of non-woven fabric.

Equally, any thin material also can be a multilayer, and the thin material of multilayer is combined with each other through said method earlier, and these two the thin material unit with multilayer are combined with each other through said method more then.

The present invention also is provided at the thin material that uses above-mentioned complex method to form on the above-mentioned equipment complex.These thin materials can be the paper of types such as toilet paper with reel, face tissue.These thin materials can also be nonwoven.These thin materials can also be the combinations of paper for daily use and nonwoven.

The present invention utilizes electrostatic effect and electrification by induction principle to carry out compound between the thin materials such as paper; Using this process equipment and method to produce does not have layer zygonema and embossing, does not use adhesive but can reach the thin materials such as paper for daily use of MULTILAYER COMPOSITE effect yet.

Claims

1. thin material equipment complex; It is characterized in that comprising pay-off roll, electrostatic generator and composite roll, pay-off roll is used for the thin material of raw material volume is launched; Electrostatic generator is used for forming static on the thin material surface, and composite roll is used for the thin material of static electrification is combined with each other.

2. thin material equipment complex as claimed in claim 1; It is characterized in that: said pay-off roll, electrostatic generator are two; The thin material that each pay-off roll, electrostatic generator are respectively applied for a raw material volume launches, and on the surface of this thin material, forms static.

3. thin material equipment complex as claimed in claim 1; It is characterized in that: said pay-off roll is two; The thin material that each pay-off roll is respectively applied for a raw material volume launches, and said electrostatic generator is one, is used on the thin material surface of a raw material volume, forming static.

4. like any described thin material equipment complex in the claim 1-3 item, it is characterized in that: also comprise rewind roll, this rewind roll is used for the thin material of rolling after compound.

5. thin material equipment complex as claimed in claim 4 is characterized in that: be provided with on the board of composite roll, rewind roll and also be provided with earthing module.

6. like any described thin material equipment complex in the claim 1-3 item, it is characterized in that: also comprise the nip rolls that is arranged on pay-off roll downstream, the electrostatic generator upper reaches, nip rolls is used to stretch thin material.

7. a thin material complex method is characterized in that comprising the steps:

Two raw material volumes are provided, and launch the thin material of two raw material volumes;

On two thin materials, form static; And

Carry out compound to two thin materials.

8. thin material complex method as claimed in claim 7 is characterized in that: after the step of the thin material that launches two raw material volumes, form before the step of static on the thin material, also comprise the step that thin material is flattened.

9. thin material complex method as claimed in claim 7 is characterized in that: two surfaces at a thin material all form positive charge, all form negative electrical charge on the surface of another thin material.

10. thin material complex method as claimed in claim 7; It is characterized in that: two surfaces at a thin material all form positive charge or negative electrical charge; A said thin material and another thin material each other near process in; Has electrostatic charge because of inductive effect on the surface of another thin material; The surface induction that wherein this another thin material is adjacent with a said thin material go out with a said thin material on the electric charge of opposite polarity, another facing surfaces induce with a said thin material on the identical electric charge of charge polarity.

11. thin material complex method as claimed in claim 7; It is characterized in that: when forming static on two thin materials; The surface of thin material forms the lint on vertical thin type material surface, and said lint twines mutually at two thin material compound tenses and overlaps.

12. thin material complex method as claimed in claim 7 is characterized in that: each thin material has at least one individual layer.

13. paper complex method as claimed in claim 7 is characterized in that: environment temperature is between 0-50 ℃ in the recombination process, and envionmental humidity is smaller or equal to 85%.

14. a thin material, this thin material are paper for daily use, nonwoven, the perhaps combination of paper for daily use and nonwoven, and this thin material is composited by any described thin material complex method in the claim 7-13 item.